diff --git a/src/p_local.h b/src/p_local.h
index 9b7c16702..7d5c3c966 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -72,7 +72,6 @@
 
 // both the head and tail of the thinker list
 extern thinker_t thinkercap;
-extern INT32 runcount;
 
 void P_InitThinkers(void);
 void P_AddThinker(thinker_t *thinker);