diff --git a/src/mesa/tnl/t_vp_build.h b/src/mesa/tnl/t_vp_build.h
index 8a669767550..83e685b1ae4 100644
--- a/src/mesa/tnl/t_vp_build.h
+++ b/src/mesa/tnl/t_vp_build.h
@@ -30,4 +30,6 @@
 
 extern void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx );
 
+extern void _tnl_ProgramCacheDestroy( GLcontext *ctx );
+
 #endif