diff --git a/src/os_mac.h b/src/os_mac.h
index c7164de..d052bb5 100644
--- a/src/os_mac.h
+++ b/src/os_mac.h
@@ -77,7 +77,7 @@
 
 
 /*
- * Generic Vim #define
+ * Generic Vim #define for Mac
  */
 
 #define FEAT_SOURCE_FFS
@@ -86,9 +86,6 @@
 #define USE_EXE_NAME		    // to find  $VIM
 #define CASE_INSENSITIVE_FILENAME   // ignore case when comparing file names
 #define SPACE_IN_FILENAME
-#define BREAKCHECK_SKIP	   32	    // call mch_breakcheck() each time, it's
-				    // quite fast. Did I forgot to update the
-				    // comment
 
 #define USE_FNAME_CASE		// make ":e os_Mac.c" open the file in its
 				// original case, as "os_mac.c"