1 files changed, 4 insertions, 4 deletions
diff --git a/sql/sql_plist.h b/sql/sql_plist.h
index 14f6eb5e2aa..bb9889cc534 100644
--- a/sql/sql_plist.h
+++ b/sql/sql_plist.h
@@ -230,7 +230,7 @@ protected:
   void reset() {}
   void inc() {}
   void dec() {}
-  void swap(I_P_List_null_counter &rhs) {}
+  void swap(I_P_List_null_counter &) {}
 };
 
 
@@ -262,14 +262,14 @@ public:
 template <typename T> class I_P_List_no_push_back
 {
 protected:
-  I_P_List_no_push_back(T **a) {};
-  void set_last(T **a) {}
+  I_P_List_no_push_back(T **) {}
+  void set_last(T **) {}
   /*
     T** get_last() const method is intentionally left unimplemented
     in order to prohibit usage of push_back() method in lists which
     use this policy.
   */
-  void swap(I_P_List_no_push_back<T> &rhs) {}
+  void swap(I_P_List_no_push_back<T> &) {}
 };