diff --git a/src/lib/portmidi/pmwinmm.c b/src/lib/portmidi/pmwinmm.c
index fdfb3b39415..ee5beeef5a9 100644
--- a/src/lib/portmidi/pmwinmm.c
+++ b/src/lib/portmidi/pmwinmm.c
@@ -21,12 +21,6 @@
 #include "porttime.h"
 #include "osdcomm.h"
 
-#ifdef PTR64
-typedef UINT64 FPTR;
-#else
-typedef UINT32 FPTR;
-#endif
-
 /* asserts used to verify portMidi code logic is sound; later may want
     something more graceful */
 #include <assert.h>