diff --git a/dtool/dtool_config.h.cmake b/dtool/dtool_config.h.cmake
index 189e1f8a8d..a31bec6d5c 100644
--- a/dtool/dtool_config.h.cmake
+++ b/dtool/dtool_config.h.cmake
@@ -309,9 +309,6 @@
 /* Define if we have STL hash_map etc. available  */
 #cmakedefine HAVE_STL_HASH
 
-/* Define if we have a gettimeofday() function. */
-#cmakedefine HAVE_GETTIMEOFDAY
-
 /* Define if gettimeofday() takes only one parameter. */
 #cmakedefine GETTIMEOFDAY_ONE_PARAM