diff --git a/lib/checkclass.cpp b/lib/checkclass.cpp
index 46e12b4ec..891714cc8 100644
--- a/lib/checkclass.cpp
+++ b/lib/checkclass.cpp
@@ -1421,7 +1421,7 @@ void CheckClass::virtualDestructor()
                     // pointer variables of type 'Base *'
                     std::set<unsigned int> basepointer;
 
-                    for (std::size_t k = 0; k < symbolDatabase->getVariableListSize(); k++) {
+                    for (std::size_t k = 1; k < symbolDatabase->getVariableListSize(); k++) {
                         const Variable* var = symbolDatabase->getVariableFromVarId(k);
                         if (var && var->isPointer() && var->type() == derivedFrom)
                             basepointer.insert(var->declarationId());
diff --git a/lib/checkmemoryleak.cpp b/lib/checkmemoryleak.cpp
index 5f639d4e4..9f548be11 100644
--- a/lib/checkmemoryleak.cpp
+++ b/lib/checkmemoryleak.cpp
@@ -2207,7 +2207,7 @@ void CheckMemoryLeakInFunction::check()
     }
 
     // Check variables..
-    for (unsigned int i = 0; i < symbolDatabase->getVariableListSize(); i++) {
+    for (unsigned int i = 1; i < symbolDatabase->getVariableListSize(); i++) {
         const Variable* var = symbolDatabase->getVariableFromVarId(i);
         if (!var || (!var->isLocal() && !var->isArgument()) || var->isStatic() || !var->scope())
             continue;
@@ -2449,7 +2449,7 @@ void CheckMemoryLeakInClass::publicAllocationError(const Token *tok, const std::
 void CheckMemoryLeakStructMember::check()
 {
     const SymbolDatabase* symbolDatabase = _tokenizer->getSymbolDatabase();
-    for (unsigned int i = 0; i < symbolDatabase->getVariableListSize(); i++) {
+    for (unsigned int i = 1; i < symbolDatabase->getVariableListSize(); i++) {
         const Variable* var = symbolDatabase->getVariableFromVarId(i);
         if (!var || !var->isLocal() || var->isStatic())
             continue;
diff --git a/lib/checkother.cpp b/lib/checkother.cpp
index 79eefaedb..ef67d469b 100644
--- a/lib/checkother.cpp
+++ b/lib/checkother.cpp
@@ -2522,7 +2522,7 @@ void CheckOther::checkRedundantCopy()
 
     const SymbolDatabase *symbolDatabase = _tokenizer->getSymbolDatabase();
 
-    for (std::size_t i = 0; i < symbolDatabase->getVariableListSize(); i++) {
+    for (std::size_t i = 1; i < symbolDatabase->getVariableListSize(); i++) {
         const Variable* var = symbolDatabase->getVariableFromVarId(i);
 
         if (!var || var->isReference() || !var->isConst() || var->isPointer() || (!var->type() && !var->isStlType())) // bailout if var is of standard type, if it is a pointer or non-const