diff --git a/lib/checkstl.cpp b/lib/checkstl.cpp
index 1d3959ca0..9baf8e127 100644
--- a/lib/checkstl.cpp
+++ b/lib/checkstl.cpp
@@ -417,9 +417,6 @@ private:
         return (eraseToken == c->eraseToken);
     }
 
-    /** @brief no implementation => compiler error if used by accident */
-    void operator=(const EraseCheckLoop &);
-
     /** @brief parse tokens */
     const Token *parse(const Token &tok, std::list<ExecutionPath *> &checks) const {
         // bail out if there are assignments. We don't check the assignments properly.
diff --git a/lib/checkuninitvar.cpp b/lib/checkuninitvar.cpp
index a648217c9..c7a5b20d7 100644
--- a/lib/checkuninitvar.cpp
+++ b/lib/checkuninitvar.cpp
@@ -65,9 +65,6 @@ private:
         return new UninitVar(*this);
     }
 
-    /** no implementation => compiler error if used */
-    void operator=(const UninitVar &);
-
     /** internal constructor for creating extra checks */
     UninitVar(Check *c, const Variable* v, const SymbolDatabase* db, const Library *lib, bool isc)
         : ExecutionPath(c, v->declarationId()), symbolDatabase(db), library(lib), isC(isc), var(v), alloc(false), strncpy_(false), memset_nonzero(false) {
diff --git a/test/testtoken.cpp b/test/testtoken.cpp
index d6eb44f05..dab3e5ff2 100644
--- a/test/testtoken.cpp
+++ b/test/testtoken.cpp
@@ -319,9 +319,9 @@ private:
     }
 
     void matchNothingOrAnyNotElse() const {
-        givenACodeSampleToTokenize emptyString("", true);
-        ASSERT_EQUALS(true, Token::Match(emptyString.tokens(), "!!else"));
-        ASSERT_EQUALS(false, Token::Match(emptyString.tokens(), "!!else something"));
+        givenACodeSampleToTokenize empty_String("", true);
+        ASSERT_EQUALS(true, Token::Match(empty_String.tokens(), "!!else"));
+        ASSERT_EQUALS(false, Token::Match(empty_String.tokens(), "!!else something"));
 
         givenACodeSampleToTokenize ifSemicolon("if ;", true);
         ASSERT_EQUALS(true, Token::Match(ifSemicolon.tokens(), "if ; !!else"));