diff --git a/qa/rpc-tests/abandonconflict.py b/qa/rpc-tests/abandonconflict.py
index 5a860e439..9a5e0c218 100755
--- a/qa/rpc-tests/abandonconflict.py
+++ b/qa/rpc-tests/abandonconflict.py
@@ -23,8 +23,8 @@ class AbandonConflictTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug","-logtimemicros","-minrelaytxfee=0.00001"]))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-debug","-logtimemicros"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-minrelaytxfee=0.00001"]))
+        self.nodes.append(start_node(1, self.options.tmpdir))
         connect_nodes(self.nodes[0], 1)
 
     def run_test(self):
@@ -81,7 +81,7 @@ class AbandonConflictTest(BitcoinTestFramework):
         # Restart the node with a higher min relay fee so the parent tx is no longer in mempool
         # TODO: redo with eviction
         stop_node(self.nodes[0],0)
-        self.nodes[0]=start_node(0, self.options.tmpdir, ["-debug","-logtimemicros","-minrelaytxfee=0.0001"])
+        self.nodes[0]=start_node(0, self.options.tmpdir, ["-minrelaytxfee=0.0001"])
 
         # Verify txs no longer in mempool
         assert_equal(len(self.nodes[0].getrawmempool()), 0)
@@ -107,7 +107,7 @@ class AbandonConflictTest(BitcoinTestFramework):
 
         # Verify that even with a low min relay fee, the tx is not reaccepted from wallet on startup once abandoned
         stop_node(self.nodes[0],0)
-        self.nodes[0]=start_node(0, self.options.tmpdir, ["-debug","-logtimemicros","-minrelaytxfee=0.00001"])
+        self.nodes[0]=start_node(0, self.options.tmpdir, ["-minrelaytxfee=0.00001"])
         assert_equal(len(self.nodes[0].getrawmempool()), 0)
         assert_equal(self.nodes[0].getbalance(), balance)
 
@@ -127,7 +127,7 @@ class AbandonConflictTest(BitcoinTestFramework):
 
         # Remove using high relay fee again
         stop_node(self.nodes[0],0)
-        self.nodes[0]=start_node(0, self.options.tmpdir, ["-debug","-logtimemicros","-minrelaytxfee=0.0001"])
+        self.nodes[0]=start_node(0, self.options.tmpdir, ["-minrelaytxfee=0.0001"])
         assert_equal(len(self.nodes[0].getrawmempool()), 0)
         newbalance = self.nodes[0].getbalance()
         assert_equal(newbalance, balance - Decimal("24.9996"))
diff --git a/qa/rpc-tests/assumevalid.py b/qa/rpc-tests/assumevalid.py
index b8dafff16..c60c8e6d1 100755
--- a/qa/rpc-tests/assumevalid.py
+++ b/qa/rpc-tests/assumevalid.py
@@ -73,7 +73,7 @@ class SendHeadersTest(BitcoinTestFramework):
         # we need to pre-mine a block with an invalid transaction
         # signature so we can pass in the block hash as assumevalid.
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"]))
+        self.nodes.append(start_node(0, self.options.tmpdir))
 
     def run_test(self):
 
@@ -146,14 +146,14 @@ class SendHeadersTest(BitcoinTestFramework):
 
         # Start node1 and node2 with assumevalid so they accept a block with a bad signature.
         self.nodes.append(start_node(1, self.options.tmpdir,
-                                     ["-debug", "-assumevalid=" + hex(block102.sha256)]))
+                                     ["-assumevalid=" + hex(block102.sha256)]))
         node1 = BaseNode()  # connects to node1
         connections.append(NodeConn('127.0.0.1', p2p_port(1), self.nodes[1], node1))
         node1.add_connection(connections[1])
         node1.wait_for_verack()
 
         self.nodes.append(start_node(2, self.options.tmpdir,
-                                     ["-debug", "-assumevalid=" + hex(block102.sha256)]))
+                                     ["-assumevalid=" + hex(block102.sha256)]))
         node2 = BaseNode()  # connects to node2
         connections.append(NodeConn('127.0.0.1', p2p_port(2), self.nodes[2], node2))
         node2.add_connection(connections[2])
diff --git a/qa/rpc-tests/bip65-cltv-p2p.py b/qa/rpc-tests/bip65-cltv-p2p.py
index ea9c3d73a..63d05e8fc 100755
--- a/qa/rpc-tests/bip65-cltv-p2p.py
+++ b/qa/rpc-tests/bip65-cltv-p2p.py
@@ -43,7 +43,7 @@ class BIP65Test(ComparisonTestFramework):
     def setup_network(self):
         # Must set the blockversion for this test
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
-                                 extra_args=[['-debug', '-whitelist=127.0.0.1', '-blockversion=3']],
+                                 extra_args=[['-whitelist=127.0.0.1', '-blockversion=3']],
                                  binary=[self.options.testbinary])
 
     def run_test(self):
diff --git a/qa/rpc-tests/bip68-112-113-p2p.py b/qa/rpc-tests/bip68-112-113-p2p.py
index 836267ea7..0867f4258 100755
--- a/qa/rpc-tests/bip68-112-113-p2p.py
+++ b/qa/rpc-tests/bip68-112-113-p2p.py
@@ -99,7 +99,7 @@ class BIP68_112_113Test(ComparisonTestFramework):
     def setup_network(self):
         # Must set the blockversion for this test
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
-                                 extra_args=[['-debug', '-whitelist=127.0.0.1', '-blockversion=4']],
+                                 extra_args=[['-whitelist=127.0.0.1', '-blockversion=4']],
                                  binary=[self.options.testbinary])
 
     def run_test(self):
diff --git a/qa/rpc-tests/bip68-sequence.py b/qa/rpc-tests/bip68-sequence.py
index 3fe3b471f..2d41a5a44 100755
--- a/qa/rpc-tests/bip68-sequence.py
+++ b/qa/rpc-tests/bip68-sequence.py
@@ -24,8 +24,8 @@ class BIP68Test(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"]))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-debug", "-acceptnonstdtxn=0"]))
+        self.nodes.append(start_node(0, self.options.tmpdir))
+        self.nodes.append(start_node(1, self.options.tmpdir, ["-acceptnonstdtxn=0"]))
         self.is_network_split = False
         self.relayfee = self.nodes[0].getnetworkinfo()["relayfee"]
         connect_nodes(self.nodes[0], 1)
diff --git a/qa/rpc-tests/bip9-softforks.py b/qa/rpc-tests/bip9-softforks.py
index 70d4be3f6..0dffd06e1 100755
--- a/qa/rpc-tests/bip9-softforks.py
+++ b/qa/rpc-tests/bip9-softforks.py
@@ -35,7 +35,7 @@ class BIP9SoftForksTest(ComparisonTestFramework):
 
     def setup_network(self):
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
-                                 extra_args=[['-debug', '-whitelist=127.0.0.1']],
+                                 extra_args=[['-whitelist=127.0.0.1']],
                                  binary=[self.options.testbinary])
 
     def run_test(self):
diff --git a/qa/rpc-tests/bipdersig-p2p.py b/qa/rpc-tests/bipdersig-p2p.py
index b82ef8939..22bd39fbe 100755
--- a/qa/rpc-tests/bipdersig-p2p.py
+++ b/qa/rpc-tests/bipdersig-p2p.py
@@ -50,7 +50,7 @@ class BIP66Test(ComparisonTestFramework):
     def setup_network(self):
         # Must set the blockversion for this test
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
-                                 extra_args=[['-debug', '-whitelist=127.0.0.1', '-blockversion=2']],
+                                 extra_args=[['-whitelist=127.0.0.1', '-blockversion=2']],
                                  binary=[self.options.testbinary])
 
     def run_test(self):
diff --git a/qa/rpc-tests/bumpfee.py b/qa/rpc-tests/bumpfee.py
index 68e9808ea..79cab2215 100755
--- a/qa/rpc-tests/bumpfee.py
+++ b/qa/rpc-tests/bumpfee.py
@@ -26,7 +26,7 @@ class BumpFeeTest(BitcoinTestFramework):
         self.setup_clean_chain = True
 
     def setup_network(self, split=False):
-        extra_args = [["-debug", "-prematurewitness", "-walletprematurewitness", "-walletrbf={}".format(i)]
+        extra_args = [["-prematurewitness", "-walletprematurewitness", "-walletrbf={}".format(i)]
                       for i in range(self.num_nodes)]
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
 
diff --git a/qa/rpc-tests/import-rescan.py b/qa/rpc-tests/import-rescan.py
index 64e0eec61..0218a4616 100755
--- a/qa/rpc-tests/import-rescan.py
+++ b/qa/rpc-tests/import-rescan.py
@@ -7,11 +7,11 @@
 Test rescan behavior of importaddress, importpubkey, importprivkey, and
 importmulti RPCs with different types of keys and rescan options.
 
-In the first part of the test, node 1 creates an address for each type of
-import RPC call and node 0 sends BTC to it. Then other nodes import the
-addresses, and the test makes listtransactions and getbalance calls to confirm
-that the importing node either did or did not execute rescans picking up the
-send transactions.
+In the first part of the test, node 0 creates an address for each type of
+import RPC call and sends BTC to it. Then other nodes import the addresses,
+and the test makes listtransactions and getbalance calls to confirm that the
+importing node either did or did not execute rescans picking up the send
+transactions.
 
 In the second part of the test, node 0 sends more BTC to each address, and the
 test makes more listtransactions and getbalance calls to confirm that the
@@ -117,7 +117,7 @@ class ImportRescanTest(BitcoinTestFramework):
         self.num_nodes = 2 + len(IMPORT_NODES)
 
     def setup_network(self):
-        extra_args = [["-debug=1"] for _ in range(self.num_nodes)]
+        extra_args = [[] for _ in range(self.num_nodes)]
         for i, import_node in enumerate(IMPORT_NODES, 2):
             if import_node.prune:
                 extra_args[i] += ["-prune=1"]
diff --git a/qa/rpc-tests/invalidateblock.py b/qa/rpc-tests/invalidateblock.py
index 92e65927d..b19726edb 100755
--- a/qa/rpc-tests/invalidateblock.py
+++ b/qa/rpc-tests/invalidateblock.py
@@ -18,9 +18,9 @@ class InvalidateTest(BitcoinTestFramework):
     def setup_network(self):
         self.nodes = []
         self.is_network_split = False 
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"]))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-debug"]))
-        self.nodes.append(start_node(2, self.options.tmpdir, ["-debug"]))
+        self.nodes.append(start_node(0, self.options.tmpdir))
+        self.nodes.append(start_node(1, self.options.tmpdir))
+        self.nodes.append(start_node(2, self.options.tmpdir))
         
     def run_test(self):
         print("Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:")
diff --git a/qa/rpc-tests/maxblocksinflight.py b/qa/rpc-tests/maxblocksinflight.py
index 8ea405b4d..5fb4408ad 100755
--- a/qa/rpc-tests/maxblocksinflight.py
+++ b/qa/rpc-tests/maxblocksinflight.py
@@ -84,7 +84,7 @@ class MaxBlocksInFlightTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
-                                 extra_args=[['-debug', '-whitelist=127.0.0.1']],
+                                 extra_args=[['-whitelist=127.0.0.1']],
                                  binary=[self.options.testbinary])
 
     def run_test(self):
diff --git a/qa/rpc-tests/maxuploadtarget.py b/qa/rpc-tests/maxuploadtarget.py
index 757aa60af..06717e284 100755
--- a/qa/rpc-tests/maxuploadtarget.py
+++ b/qa/rpc-tests/maxuploadtarget.py
@@ -90,7 +90,7 @@ class MaxUploadTest(BitcoinTestFramework):
     def setup_network(self):
         # Start a node with maxuploadtarget of 200 MB (/24h)
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-maxuploadtarget=800", "-blockmaxsize=999000"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxuploadtarget=800", "-blockmaxsize=999000"]))
 
     def run_test(self):
         # Before we connect anything, we first set the time on the node
@@ -199,7 +199,7 @@ class MaxUploadTest(BitcoinTestFramework):
         #stop and start node 0 with 1MB maxuploadtarget, whitelist 127.0.0.1
         print("Restarting nodes with -whitelist=127.0.0.1")
         stop_node(self.nodes[0], 0)
-        self.nodes[0] = start_node(0, self.options.tmpdir, ["-debug", "-whitelist=127.0.0.1", "-maxuploadtarget=1", "-blockmaxsize=999000"])
+        self.nodes[0] = start_node(0, self.options.tmpdir, ["-whitelist=127.0.0.1", "-maxuploadtarget=1", "-blockmaxsize=999000"])
 
         #recreate/reconnect 3 test nodes
         test_nodes = []
diff --git a/qa/rpc-tests/mempool_limit.py b/qa/rpc-tests/mempool_limit.py
index 8fae92ad2..a7ca576ae 100755
--- a/qa/rpc-tests/mempool_limit.py
+++ b/qa/rpc-tests/mempool_limit.py
@@ -11,7 +11,7 @@ class MempoolLimitTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxmempool=5", "-spendzeroconfchange=0", "-debug"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxmempool=5", "-spendzeroconfchange=0"]))
         self.is_network_split = False
         self.sync_all()
         self.relayfee = self.nodes[0].getnetworkinfo()['relayfee']
diff --git a/qa/rpc-tests/mempool_packages.py b/qa/rpc-tests/mempool_packages.py
index 3437c89ec..ce93ea023 100755
--- a/qa/rpc-tests/mempool_packages.py
+++ b/qa/rpc-tests/mempool_packages.py
@@ -19,8 +19,8 @@ class MempoolPackagesTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000", "-debug"]))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-maxorphantx=1000", "-limitancestorcount=5", "-debug"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000"]))
+        self.nodes.append(start_node(1, self.options.tmpdir, ["-maxorphantx=1000", "-limitancestorcount=5"]))
         connect_nodes(self.nodes[0], 1)
         self.is_network_split = False
         self.sync_all()
diff --git a/qa/rpc-tests/mempool_reorg.py b/qa/rpc-tests/mempool_reorg.py
index 2cd557327..585e4147b 100755
--- a/qa/rpc-tests/mempool_reorg.py
+++ b/qa/rpc-tests/mempool_reorg.py
@@ -21,7 +21,7 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
     alert_filename = None  # Set by setup_network
 
     def setup_network(self):
-        args = ["-checkmempool", "-debug=mempool"]
+        args = ["-checkmempool"]
         self.nodes = []
         self.nodes.append(start_node(0, self.options.tmpdir, args))
         self.nodes.append(start_node(1, self.options.tmpdir, args))
diff --git a/qa/rpc-tests/mempool_resurrect_test.py b/qa/rpc-tests/mempool_resurrect_test.py
index c7f37aaa4..727892d1f 100755
--- a/qa/rpc-tests/mempool_resurrect_test.py
+++ b/qa/rpc-tests/mempool_resurrect_test.py
@@ -17,7 +17,7 @@ class MempoolCoinbaseTest(BitcoinTestFramework):
 
     def setup_network(self):
         # Just need one node for this test
-        args = ["-checkmempool", "-debug=mempool"]
+        args = ["-checkmempool"]
         self.nodes = []
         self.nodes.append(start_node(0, self.options.tmpdir, args))
         self.is_network_split = False
diff --git a/qa/rpc-tests/mempool_spendcoinbase.py b/qa/rpc-tests/mempool_spendcoinbase.py
index da8485e2a..4818ad8bd 100755
--- a/qa/rpc-tests/mempool_spendcoinbase.py
+++ b/qa/rpc-tests/mempool_spendcoinbase.py
@@ -25,7 +25,7 @@ class MempoolSpendCoinbaseTest(BitcoinTestFramework):
 
     def setup_network(self):
         # Just need one node for this test
-        args = ["-checkmempool", "-debug=mempool"]
+        args = ["-checkmempool"]
         self.nodes = []
         self.nodes.append(start_node(0, self.options.tmpdir, args))
         self.is_network_split = False
diff --git a/qa/rpc-tests/merkle_blocks.py b/qa/rpc-tests/merkle_blocks.py
index c4b45425d..09683aba1 100755
--- a/qa/rpc-tests/merkle_blocks.py
+++ b/qa/rpc-tests/merkle_blocks.py
@@ -17,11 +17,11 @@ class MerkleBlockTest(BitcoinTestFramework):
     def setup_network(self):
         self.nodes = []
         # Nodes 0/1 are "wallet" nodes
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"]))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-debug"]))
+        self.nodes.append(start_node(0, self.options.tmpdir))
+        self.nodes.append(start_node(1, self.options.tmpdir))
         # Nodes 2/3 are used for testing
-        self.nodes.append(start_node(2, self.options.tmpdir, ["-debug"]))
-        self.nodes.append(start_node(3, self.options.tmpdir, ["-debug", "-txindex"]))
+        self.nodes.append(start_node(2, self.options.tmpdir))
+        self.nodes.append(start_node(3, self.options.tmpdir, ["-txindex"]))
         connect_nodes(self.nodes[0], 1)
         connect_nodes(self.nodes[0], 2)
         connect_nodes(self.nodes[0], 3)
diff --git a/qa/rpc-tests/nulldummy.py b/qa/rpc-tests/nulldummy.py
index b44a98bfd..a69892fab 100755
--- a/qa/rpc-tests/nulldummy.py
+++ b/qa/rpc-tests/nulldummy.py
@@ -45,7 +45,7 @@ class NULLDUMMYTest(BitcoinTestFramework):
     def setup_network(self):
         # Must set the blockversion for this test
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
-                                 extra_args=[['-debug', '-whitelist=127.0.0.1', '-walletprematurewitness']])
+                                 extra_args=[['-whitelist=127.0.0.1', '-walletprematurewitness']])
 
     def run_test(self):
         self.address = self.nodes[0].getnewaddress()
diff --git a/qa/rpc-tests/p2p-acceptblock.py b/qa/rpc-tests/p2p-acceptblock.py
index 4767dd8fe..037f15568 100755
--- a/qa/rpc-tests/p2p-acceptblock.py
+++ b/qa/rpc-tests/p2p-acceptblock.py
@@ -119,10 +119,10 @@ class AcceptBlockTest(BitcoinTestFramework):
         # from peers which are not whitelisted, while Node1 will be used for
         # the whitelisted case.
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug"],
+        self.nodes.append(start_node(0, self.options.tmpdir,
                                      binary=self.options.testbinary))
         self.nodes.append(start_node(1, self.options.tmpdir,
-                                     ["-debug", "-whitelist=127.0.0.1"],
+                                     ["-whitelist=127.0.0.1"],
                                      binary=self.options.testbinary))
 
     def run_test(self):
diff --git a/qa/rpc-tests/p2p-compactblocks.py b/qa/rpc-tests/p2p-compactblocks.py
index 79561f35f..33c0c6055 100755
--- a/qa/rpc-tests/p2p-compactblocks.py
+++ b/qa/rpc-tests/p2p-compactblocks.py
@@ -120,8 +120,8 @@ class CompactBlocksTest(BitcoinTestFramework):
 
         # Start up node0 to be a version 1, pre-segwit node.
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, 
-                [["-debug", "-logtimemicros=1", "-bip9params=segwit:0:0"], 
-                 ["-debug", "-logtimemicros", "-txindex"]])
+                [["-bip9params=segwit:0:0"], 
+                 ["-txindex"]])
         connect_nodes(self.nodes[0], 1)
 
     def build_block_on_tip(self, node, segwit=False):
diff --git a/qa/rpc-tests/p2p-feefilter.py b/qa/rpc-tests/p2p-feefilter.py
index 1c62961db..d8f07700d 100755
--- a/qa/rpc-tests/p2p-feefilter.py
+++ b/qa/rpc-tests/p2p-feefilter.py
@@ -53,8 +53,8 @@ class FeeFilterTest(BitcoinTestFramework):
         # Node1 will be used to generate txs which should be relayed from Node0
         # to our test node
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-logtimemicros"]))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-debug", "-logtimemicros"]))
+        self.nodes.append(start_node(0, self.options.tmpdir))
+        self.nodes.append(start_node(1, self.options.tmpdir))
         connect_nodes(self.nodes[0], 1)
 
     def run_test(self):
diff --git a/qa/rpc-tests/p2p-leaktests.py b/qa/rpc-tests/p2p-leaktests.py
index bf08ea32f..c86f6257c 100755
--- a/qa/rpc-tests/p2p-leaktests.py
+++ b/qa/rpc-tests/p2p-leaktests.py
@@ -102,7 +102,7 @@ class P2PLeakTest(BitcoinTestFramework):
         super().__init__()
         self.num_nodes = 1
     def setup_network(self):
-        extra_args = [['-debug', '-banscore='+str(banscore)]
+        extra_args = [['-banscore='+str(banscore)]
                       for i in range(self.num_nodes)]
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
 
diff --git a/qa/rpc-tests/p2p-mempool.py b/qa/rpc-tests/p2p-mempool.py
index c6b149021..0aa9c90e8 100755
--- a/qa/rpc-tests/p2p-mempool.py
+++ b/qa/rpc-tests/p2p-mempool.py
@@ -85,7 +85,7 @@ class P2PMempoolTests(BitcoinTestFramework):
     def setup_network(self):
         # Start a node with maxuploadtarget of 200 MB (/24h)
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-peerbloomfilters=0"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-peerbloomfilters=0"]))
 
     def run_test(self):
         #connect a mininode
diff --git a/qa/rpc-tests/p2p-segwit.py b/qa/rpc-tests/p2p-segwit.py
index ca0960f2d..cb04641b2 100755
--- a/qa/rpc-tests/p2p-segwit.py
+++ b/qa/rpc-tests/p2p-segwit.py
@@ -194,13 +194,13 @@ class SegWitTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-logtimemicros=1", "-whitelist=127.0.0.1"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-whitelist=127.0.0.1"]))
         # Start a node for testing IsStandard rules.
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-debug", "-logtimemicros=1", "-whitelist=127.0.0.1", "-acceptnonstdtxn=0"]))
+        self.nodes.append(start_node(1, self.options.tmpdir, ["-whitelist=127.0.0.1", "-acceptnonstdtxn=0"]))
         connect_nodes(self.nodes[0], 1)
 
         # Disable segwit's bip9 parameter to simulate upgrading after activation.
-        self.nodes.append(start_node(2, self.options.tmpdir, ["-debug", "-whitelist=127.0.0.1", "-bip9params=segwit:0:0"]))
+        self.nodes.append(start_node(2, self.options.tmpdir, ["-whitelist=127.0.0.1", "-bip9params=segwit:0:0"]))
         connect_nodes(self.nodes[0], 2)
 
     ''' Helpers '''
@@ -1572,7 +1572,7 @@ class SegWitTest(BitcoinTestFramework):
 
         # Restart with the new binary
         stop_node(node, node_id)
-        self.nodes[node_id] = start_node(node_id, self.options.tmpdir, ["-debug"])
+        self.nodes[node_id] = start_node(node_id, self.options.tmpdir)
         connect_nodes(self.nodes[0], node_id)
 
         sync_blocks(self.nodes)
diff --git a/qa/rpc-tests/p2p-timeouts.py b/qa/rpc-tests/p2p-timeouts.py
index 7f596b6e4..498acb23f 100755
--- a/qa/rpc-tests/p2p-timeouts.py
+++ b/qa/rpc-tests/p2p-timeouts.py
@@ -53,8 +53,7 @@ class TimeoutsTest(BitcoinTestFramework):
         self.nodes = []
 
         # Start up node0 to be a version 1, pre-segwit node.
-        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, 
-                [["-debug", "-logtimemicros=1"]])
+        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)
 
     def run_test(self):
         # Setup the p2p connections and start up the network thread.
diff --git a/qa/rpc-tests/p2p-versionbits-warning.py b/qa/rpc-tests/p2p-versionbits-warning.py
index 8e3e361fc..dc714e9a4 100755
--- a/qa/rpc-tests/p2p-versionbits-warning.py
+++ b/qa/rpc-tests/p2p-versionbits-warning.py
@@ -72,7 +72,7 @@ class VersionBitsWarningTest(BitcoinTestFramework):
         # Open and close to create zero-length file
         with open(self.alert_filename, 'w', encoding='utf8') as _:
             pass
-        self.extra_args = [["-debug", "-logtimemicros=1", "-alertnotify=echo %s >> \"" + self.alert_filename + "\""]]
+        self.extra_args = [["-alertnotify=echo %s >> \"" + self.alert_filename + "\""]]
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, self.extra_args)
 
     # Send numblocks blocks via peer with nVersionToUse set.
diff --git a/qa/rpc-tests/preciousblock.py b/qa/rpc-tests/preciousblock.py
index dde164f32..01e5d94c9 100755
--- a/qa/rpc-tests/preciousblock.py
+++ b/qa/rpc-tests/preciousblock.py
@@ -39,7 +39,6 @@ class PreciousTest(BitcoinTestFramework):
         super().__init__()
         self.setup_clean_chain = True
         self.num_nodes = 3
-        self.extra_args = [["-debug"]] * self.num_nodes
 
     def setup_network(self):
         self.nodes = self.setup_nodes()
diff --git a/qa/rpc-tests/prioritise_transaction.py b/qa/rpc-tests/prioritise_transaction.py
index 13be6eeea..59de16e49 100755
--- a/qa/rpc-tests/prioritise_transaction.py
+++ b/qa/rpc-tests/prioritise_transaction.py
@@ -21,7 +21,7 @@ class PrioritiseTransactionTest(BitcoinTestFramework):
         self.nodes = []
         self.is_network_split = False
 
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-printpriority=1"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-printpriority=1"]))
         self.relayfee = self.nodes[0].getnetworkinfo()['relayfee']
 
     def run_test(self):
diff --git a/qa/rpc-tests/proxy_test.py b/qa/rpc-tests/proxy_test.py
index e4e231f31..6b2a8ed1c 100755
--- a/qa/rpc-tests/proxy_test.py
+++ b/qa/rpc-tests/proxy_test.py
@@ -83,13 +83,13 @@ class ProxyTest(BitcoinTestFramework):
         # Note: proxies are not used to connect to local nodes
         # this is because the proxy to use is based on CService.GetNetwork(), which return NET_UNROUTABLE for localhost
         args = [
-            ['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf1.addr),'-proxyrandomize=1'], 
-            ['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf1.addr),'-onion=%s:%i' % (self.conf2.addr),'-proxyrandomize=0'], 
-            ['-listen', '-debug=net', '-debug=proxy', '-proxy=%s:%i' % (self.conf2.addr),'-proxyrandomize=1'], 
+            ['-listen', '-proxy=%s:%i' % (self.conf1.addr),'-proxyrandomize=1'], 
+            ['-listen', '-proxy=%s:%i' % (self.conf1.addr),'-onion=%s:%i' % (self.conf2.addr),'-proxyrandomize=0'], 
+            ['-listen', '-proxy=%s:%i' % (self.conf2.addr),'-proxyrandomize=1'], 
             []
             ]
         if self.have_ipv6:
-            args[3] = ['-listen', '-debug=net', '-debug=proxy', '-proxy=[%s]:%i' % (self.conf3.addr),'-proxyrandomize=0', '-noonion']
+            args[3] = ['-listen', '-proxy=[%s]:%i' % (self.conf3.addr),'-proxyrandomize=0', '-noonion']
         return start_nodes(self.num_nodes, self.options.tmpdir, extra_args=args)
 
     def node_test(self, node, proxies, auth, test_onion=True):
diff --git a/qa/rpc-tests/pruning.py b/qa/rpc-tests/pruning.py
index 6d778cfc5..063123b71 100755
--- a/qa/rpc-tests/pruning.py
+++ b/qa/rpc-tests/pruning.py
@@ -41,19 +41,19 @@ class PruneTest(BitcoinTestFramework):
         self.is_network_split = False
 
         # Create nodes 0 and 1 to mine
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900))
+        self.nodes.append(start_node(1, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900))
 
         # Create node 2 to test pruning
-        self.nodes.append(start_node(2, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-prune=550"], timewait=900))
+        self.nodes.append(start_node(2, self.options.tmpdir, ["-maxreceivebuffer=20000","-prune=550"], timewait=900))
         self.prunedir = self.options.tmpdir+"/node2/regtest/blocks/"
 
         # Create nodes 3 and 4 to test manual pruning (they will be re-started with manual pruning later)
-        self.nodes.append(start_node(3, self.options.tmpdir, ["-debug=0","-maxreceivebuffer=20000","-blockmaxsize=999000"], timewait=900))
-        self.nodes.append(start_node(4, self.options.tmpdir, ["-debug=0","-maxreceivebuffer=20000","-blockmaxsize=999000"], timewait=900))
+        self.nodes.append(start_node(3, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=999000"], timewait=900))
+        self.nodes.append(start_node(4, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=999000"], timewait=900))
 
         # Create nodes 5 to test wallet in prune mode, but do not connect
-        self.nodes.append(start_node(5, self.options.tmpdir, ["-debug=0", "-prune=550"]))
+        self.nodes.append(start_node(5, self.options.tmpdir, ["-prune=550"]))
 
         # Determine default relay fee
         self.relayfee = self.nodes[0].getnetworkinfo()["relayfee"]
@@ -107,7 +107,7 @@ class PruneTest(BitcoinTestFramework):
             # Node 2 stays connected, so it hears about the stale blocks and then reorg's when node0 reconnects
             # Stopping node 0 also clears its mempool, so it doesn't have node1's transactions to accidentally mine
             self.stop_node(0)
-            self.nodes[0]=start_node(0, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900)
+            self.nodes[0]=start_node(0, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900)
             # Mine 24 blocks in node 1
             for i in range(24):
                 if j == 0:
@@ -132,7 +132,7 @@ class PruneTest(BitcoinTestFramework):
         # Reboot node 1 to clear its mempool (hopefully make the invalidate faster)
         # Lower the block max size so we don't keep mining all our big mempool transactions (from disconnected blocks)
         self.stop_node(1)
-        self.nodes[1]=start_node(1, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-blockmaxsize=5000", "-checkblocks=5", "-disablesafemode"], timewait=900)
+        self.nodes[1]=start_node(1, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=5000", "-checkblocks=5", "-disablesafemode"], timewait=900)
 
         height = self.nodes[1].getblockcount()
         print("Current block height:", height)
@@ -155,7 +155,7 @@ class PruneTest(BitcoinTestFramework):
 
         # Reboot node1 to clear those giant tx's from mempool
         self.stop_node(1)
-        self.nodes[1]=start_node(1, self.options.tmpdir, ["-debug","-maxreceivebuffer=20000","-blockmaxsize=5000", "-checkblocks=5", "-disablesafemode"], timewait=900)
+        self.nodes[1]=start_node(1, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=5000", "-checkblocks=5", "-disablesafemode"], timewait=900)
 
         print("Generating new longer chain of 300 more blocks")
         self.nodes[1].generate(300)
@@ -228,13 +228,13 @@ class PruneTest(BitcoinTestFramework):
 
     def manual_test(self, node_number, use_timestamp):
         # at this point, node has 995 blocks and has not yet run in prune mode
-        node = self.nodes[node_number] = start_node(node_number, self.options.tmpdir, ["-debug=0"], timewait=900)
+        node = self.nodes[node_number] = start_node(node_number, self.options.tmpdir, timewait=900)
         assert_equal(node.getblockcount(), 995)
         assert_raises_jsonrpc(-1, "not in prune mode", node.pruneblockchain, 500)
         self.stop_node(node_number)
 
         # now re-start in manual pruning mode
-        node = self.nodes[node_number] = start_node(node_number, self.options.tmpdir, ["-debug=0","-prune=1"], timewait=900)
+        node = self.nodes[node_number] = start_node(node_number, self.options.tmpdir, ["-prune=1"], timewait=900)
         assert_equal(node.getblockcount(), 995)
 
         def height(index):
@@ -308,7 +308,7 @@ class PruneTest(BitcoinTestFramework):
 
         # stop node, start back up with auto-prune at 550MB, make sure still runs
         self.stop_node(node_number)
-        self.nodes[node_number] = start_node(node_number, self.options.tmpdir, ["-debug=0","-prune=550"], timewait=900)
+        self.nodes[node_number] = start_node(node_number, self.options.tmpdir, ["-prune=550"], timewait=900)
 
         print("Success")
 
@@ -316,7 +316,7 @@ class PruneTest(BitcoinTestFramework):
         # check that the pruning node's wallet is still in good shape
         print("Stop and start pruning node to trigger wallet rescan")
         self.stop_node(2)
-        start_node(2, self.options.tmpdir, ["-debug=1","-prune=550"])
+        start_node(2, self.options.tmpdir, ["-prune=550"])
         print("Success")
 
         # check that wallet loads loads successfully when restarting a pruned node after IBD.
@@ -326,7 +326,7 @@ class PruneTest(BitcoinTestFramework):
         nds = [self.nodes[0], self.nodes[5]]
         sync_blocks(nds, wait=5, timeout=300)
         self.stop_node(5) #stop and start to trigger rescan
-        start_node(5, self.options.tmpdir, ["-debug=1","-prune=550"])
+        start_node(5, self.options.tmpdir, ["-prune=550"])
         print ("Success")
 
     def run_test(self):
diff --git a/qa/rpc-tests/reindex.py b/qa/rpc-tests/reindex.py
index 1b547a920..c9d14f456 100755
--- a/qa/rpc-tests/reindex.py
+++ b/qa/rpc-tests/reindex.py
@@ -31,7 +31,7 @@ class ReindexTest(BitcoinTestFramework):
         self.nodes[0].generate(3)
         blockcount = self.nodes[0].getblockcount()
         stop_nodes(self.nodes)
-        extra_args = [["-debug", "-reindex-chainstate" if justchainstate else "-reindex", "-checkblockindex=1"]]
+        extra_args = [["-reindex-chainstate" if justchainstate else "-reindex", "-checkblockindex=1"]]
         self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
         while self.nodes[0].getblockcount() < blockcount:
             time.sleep(0.1)
diff --git a/qa/rpc-tests/replace-by-fee.py b/qa/rpc-tests/replace-by-fee.py
index 51cbb4dc4..27c93ff89 100755
--- a/qa/rpc-tests/replace-by-fee.py
+++ b/qa/rpc-tests/replace-by-fee.py
@@ -72,7 +72,7 @@ class ReplaceByFeeTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000", "-debug",
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-maxorphantx=1000",
                                                               "-whitelist=127.0.0.1",
                                                               "-limitancestorcount=50",
                                                               "-limitancestorsize=101",
diff --git a/qa/rpc-tests/segwit.py b/qa/rpc-tests/segwit.py
index 761c00dc0..051358a96 100755
--- a/qa/rpc-tests/segwit.py
+++ b/qa/rpc-tests/segwit.py
@@ -82,9 +82,9 @@ class SegWitTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes.append(start_node(0, self.options.tmpdir, ["-logtimemicros", "-debug", "-walletprematurewitness", "-rpcserialversion=0"]))
-        self.nodes.append(start_node(1, self.options.tmpdir, ["-logtimemicros", "-debug", "-blockversion=4", "-promiscuousmempoolflags=517", "-prematurewitness", "-walletprematurewitness", "-rpcserialversion=1"]))
-        self.nodes.append(start_node(2, self.options.tmpdir, ["-logtimemicros", "-debug", "-blockversion=536870915", "-promiscuousmempoolflags=517", "-prematurewitness", "-walletprematurewitness"]))
+        self.nodes.append(start_node(0, self.options.tmpdir, ["-walletprematurewitness", "-rpcserialversion=0"]))
+        self.nodes.append(start_node(1, self.options.tmpdir, ["-blockversion=4", "-promiscuousmempoolflags=517", "-prematurewitness", "-walletprematurewitness", "-rpcserialversion=1"]))
+        self.nodes.append(start_node(2, self.options.tmpdir, ["-blockversion=536870915", "-promiscuousmempoolflags=517", "-prematurewitness", "-walletprematurewitness"]))
         connect_nodes(self.nodes[1], 0)
         connect_nodes(self.nodes[2], 1)
         connect_nodes(self.nodes[0], 2)
diff --git a/qa/rpc-tests/sendheaders.py b/qa/rpc-tests/sendheaders.py
index 16ca4a491..b36efadbe 100755
--- a/qa/rpc-tests/sendheaders.py
+++ b/qa/rpc-tests/sendheaders.py
@@ -229,7 +229,7 @@ class SendHeadersTest(BitcoinTestFramework):
 
     def setup_network(self):
         self.nodes = []
-        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, [["-debug", "-logtimemicros=1"]]*2)
+        self.nodes = start_nodes(self.num_nodes, self.options.tmpdir)
         connect_nodes(self.nodes[0], 1)
 
     # mine count blocks and return the new tip
diff --git a/qa/rpc-tests/smartfees.py b/qa/rpc-tests/smartfees.py
index 9ce5b8e86..ccae17058 100755
--- a/qa/rpc-tests/smartfees.py
+++ b/qa/rpc-tests/smartfees.py
@@ -193,8 +193,7 @@ class EstimateFeeTest(BitcoinTestFramework):
         # NOTE: the CreateNewBlock code starts counting block size at 1,000 bytes,
         # (17k is room enough for 110 or so transactions)
         self.nodes.append(start_node(1, self.options.tmpdir,
-                                     ["-blockmaxsize=17000",
-                                      "-maxorphantx=1000", "-debug=estimatefee"]))
+                                     ["-blockmaxsize=17000", "-maxorphantx=1000"]))
         connect_nodes(self.nodes[1], 0)
 
         # Node2 is a stingy miner, that
diff --git a/qa/rpc-tests/test_framework/test_framework.py b/qa/rpc-tests/test_framework/test_framework.py
index 024290237..d7072fa78 100755
--- a/qa/rpc-tests/test_framework/test_framework.py
+++ b/qa/rpc-tests/test_framework/test_framework.py
@@ -239,6 +239,6 @@ class ComparisonTestFramework(BitcoinTestFramework):
     def setup_network(self):
         self.nodes = start_nodes(
             self.num_nodes, self.options.tmpdir,
-            extra_args=[['-debug', '-whitelist=127.0.0.1']] * self.num_nodes,
+            extra_args=[['-whitelist=127.0.0.1']] * self.num_nodes,
             binary=[self.options.testbinary] +
             [self.options.refbinary]*(self.num_nodes-1))