diff --git a/setter/src/macos/macos.h b/setter/src/macos/macos.h
index 8303242..dbd849c 100644
--- a/setter/src/macos/macos.h
+++ b/setter/src/macos/macos.h
@@ -71,11 +71,6 @@ typedef unsigned long long uint64_t;
 int snprintf(char* str, size_t size, const char* format, ...);
 #endif
 
-enum
-{
-    gestaltHasHFSPlusAPIs = 12 /* file system supports HFS Plus APIs */
-};
-
 #define PBXGetVolInfo(pb, async) ((async) ? PBXGetVolInfoAsync(pb) : PBXGetVolInfoSync(pb))
 
 #else