diff --git a/libs/pbd/file_utils.cc b/libs/pbd/file_utils.cc
index 618dccf4dd..9d12502bfd 100644
--- a/libs/pbd/file_utils.cc
+++ b/libs/pbd/file_utils.cc
@@ -26,7 +26,6 @@
 
 #ifdef COMPILER_MINGW
 #include <io.h> // For W_OK
-#define strtok_r strtok_s
 #endif
 
 #include <glibmm/fileutils.h>