diff --git a/src/primitives/block.h b/src/primitives/block.h
index 4c6eb20ad..f03cf4850 100644
--- a/src/primitives/block.h
+++ b/src/primitives/block.h
@@ -129,10 +129,7 @@ struct CBlockLocator
 
     CBlockLocator() {}
 
-    CBlockLocator(const std::vector<uint256>& vHaveIn)
-    {
-        vHave = vHaveIn;
-    }
+    CBlockLocator(const std::vector<uint256>& vHaveIn) : vHave(vHaveIn) {}
 
     ADD_SERIALIZE_METHODS;
 
diff --git a/src/protocol.cpp b/src/protocol.cpp
index 28d1d0eeb..6cd246ed5 100644
--- a/src/protocol.cpp
+++ b/src/protocol.cpp
@@ -151,11 +151,7 @@ CInv::CInv()
     hash.SetNull();
 }
 
-CInv::CInv(int typeIn, const uint256& hashIn)
-{
-    type = typeIn;
-    hash = hashIn;
-}
+CInv::CInv(int typeIn, const uint256& hashIn) : type(typeIn), hash(hashIn) {}
 
 bool operator<(const CInv& a, const CInv& b)
 {
diff --git a/src/rpc/server.h b/src/rpc/server.h
index 1e984cbc0..a893f4903 100644
--- a/src/rpc/server.h
+++ b/src/rpc/server.h
@@ -50,7 +50,7 @@ public:
     std::string URI;
     std::string authUser;
 
-    JSONRPCRequest() { id = NullUniValue; params = NullUniValue; fHelp = false; }
+    JSONRPCRequest() : id(NullUniValue), params(NullUniValue), fHelp(false) {}
     void parse(const UniValue& valRequest);
 };
 
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 11b2f7a66..a8bde8359 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -136,10 +136,7 @@ public:
     std::string name;
     std::string purpose;
 
-    CAddressBookData()
-    {
-        purpose = "unknown";
-    }
+    CAddressBookData() : purpose("unknown") {}
 
     typedef std::map<std::string, std::string> StringMap;
     StringMap destdata;