diff --git a/lib/checksizeof.h b/lib/checksizeof.h
index e1dfd6459..f4327ddd5 100644
--- a/lib/checksizeof.h
+++ b/lib/checksizeof.h
@@ -64,7 +64,7 @@ public:
     }
 
     /** @brief Run checks against the simplified token list */
-    void runSimplifiedChecks(const Tokenizer*, const Settings*, ErrorLogger*) {
+    void runSimplifiedChecks(const Tokenizer* /*tokenizer*/, const Settings* /*settings*/, ErrorLogger* /*errorLogger*/) {
     }
 
     /** @brief %Check for 'sizeof sizeof ..' */
diff --git a/lib/checkunusedfunctions.h b/lib/checkunusedfunctions.h
index 8a6df7963..1b404b3b6 100644
--- a/lib/checkunusedfunctions.h
+++ b/lib/checkunusedfunctions.h
@@ -87,7 +87,8 @@ private:
     /**
      * Dummy implementation, just to provide error for --errorlist
      */
-    void runSimplifiedChecks(const Tokenizer *, const Settings *, ErrorLogger *) {}
+    void runSimplifiedChecks(const Tokenizer* /*tokenizer*/, const Settings* /*settings*/, ErrorLogger* /*errorLogger*/) {
+    }
 
     static std::string myName() {
         return "Unused functions";