diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 606f1d291..c8d169a29 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -18,6 +18,7 @@
 #include <netbase.h>
 #include <rpc/server.h>
 #include <rpc/client.h>
+#include <util/strencodings.h>
 #include <util/system.h>
 
 #include <openssl/crypto.h>
@@ -226,7 +227,7 @@ bool RPCConsole::RPCParseCommandLine(interfaces::Node* node, std::string &strRes
                                 if (lastResult.isArray())
                                 {
                                     for(char argch: curarg)
-                                        if (!std::isdigit(argch))
+                                        if (!IsDigit(argch))
                                             throw std::runtime_error("Invalid result query");
                                     subelement = lastResult[atoi(curarg.c_str())];
                                 }
diff --git a/src/util/moneystr.cpp b/src/util/moneystr.cpp
index 4c4de7b72..f4e41eea4 100644
--- a/src/util/moneystr.cpp
+++ b/src/util/moneystr.cpp
@@ -20,7 +20,7 @@ std::string FormatMoney(const CAmount& n)
 
     // Right-trim excess zeros before the decimal point:
     int nTrim = 0;
-    for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
+    for (int i = str.size()-1; (str[i] == '0' && IsDigit(str[i-2])); --i)
         ++nTrim;
     if (nTrim)
         str.erase(str.size()-nTrim, nTrim);
@@ -49,7 +49,7 @@ bool ParseMoney(const char* pszIn, CAmount& nRet)
         {
             p++;
             int64_t nMult = COIN / 10;
-            while (isdigit(*p) && (nMult > 0))
+            while (IsDigit(*p) && (nMult > 0))
             {
                 nUnits += nMult * (*p++ - '0');
                 nMult /= 10;
@@ -58,7 +58,7 @@ bool ParseMoney(const char* pszIn, CAmount& nRet)
         }
         if (IsSpace(*p))
             break;
-        if (!isdigit(*p))
+        if (!IsDigit(*p))
             return false;
         strWhole.insert(strWhole.end(), *p);
     }
diff --git a/test/lint/lint-locale-dependence.sh b/test/lint/lint-locale-dependence.sh
index 44170a6b5..59881ce88 100755
--- a/test/lint/lint-locale-dependence.sh
+++ b/test/lint/lint-locale-dependence.sh
@@ -5,13 +5,11 @@ KNOWN_VIOLATIONS=(
     "src/bitcoin-tx.cpp.*stoul"
     "src/bitcoin-tx.cpp.*trim_right"
     "src/bitcoin-tx.cpp:.*atoi"
-    "src/core_read.cpp.*is_digit"
     "src/dbwrapper.cpp.*stoul"
     "src/dbwrapper.cpp:.*vsnprintf"
     "src/httprpc.cpp.*trim"
     "src/init.cpp:.*atoi"
     "src/qt/rpcconsole.cpp:.*atoi"
-    "src/qt/rpcconsole.cpp:.*isdigit"
     "src/rest.cpp:.*strtol"
     "src/test/dbwrapper_tests.cpp:.*snprintf"
     "src/test/getarg_tests.cpp.*split"
@@ -21,12 +19,9 @@ KNOWN_VIOLATIONS=(
     "src/util/system.cpp:.*atoi"
     "src/util/system.cpp:.*fprintf"
     "src/util/system.cpp:.*tolower"
-    "src/util/moneystr.cpp:.*isdigit"
     "src/util/strencodings.cpp:.*atoi"
     "src/util/strencodings.cpp:.*strtol"
-    "src/util/strencodings.cpp:.*strtoll"
     "src/util/strencodings.cpp:.*strtoul"
-    "src/util/strencodings.cpp:.*strtoull"
     "src/util/strencodings.h:.*atoi"
 )