diff --git a/Headers/Foundation/NSRegularExpression.h b/Headers/Foundation/NSRegularExpression.h
index 18481834f..bd9ef23dc 100644
--- a/Headers/Foundation/NSRegularExpression.h
+++ b/Headers/Foundation/NSRegularExpression.h
@@ -69,7 +69,7 @@ static const NSMatchingOptions NSMatchingWithoutAnchoringBounds = 1<<4;
 #if     GS_API_VERSION( 13100, GS_API_LATEST)
 /** Enumeration with a C function callback uses this prototype
  */
-typedef void (*GSRegexEnumerationCallback)(NSRegularExpression *regex,
+typedef void (*GSRegexEnumerationCallback)(
   void *context, NSTextCheckingResult *match,
   NSMatchingFlags flags, BOOL *shouldStop);
 #endif
@@ -135,7 +135,7 @@ GS_EXPORT_CLASS
  * Its behavior is like that of the
  * -enumerateMatchesInString:options:range:usingBlock: method, except that
  * it uses a callback rather than a block, and the callback is supplied with
- * both the NSRegularExpression instance being used and the context value.
+ * the context value specified as an argument to this method.
  * <br />
  * The operation of the method is basically to call the supplied callback
  * function for each match of the expression in the string.
diff --git a/Source/NSRegularExpression.m b/Source/NSRegularExpression.m
index 4ba932b3b..5e924d1a8 100644
--- a/Source/NSRegularExpression.m
+++ b/Source/NSRegularExpression.m
@@ -65,7 +65,6 @@
 #import "Foundation/NSError.h"
 
 typedef struct {
-  NSRegularExpression		*e;	// The RE being used
   GSRegexEnumerationCallback	h;	// The handler callback function
   void				*c;	// Context for this enumeration
 } GSRegexContext;
@@ -119,7 +118,7 @@ NSRegularExpressionOptionsToURegexpFlags(NSRegularExpressionOptions opts)
 /* Callback method to invoke a block
  */
 static void
-blockCallback(NSRegularExpression *regex,
+blockCallback(
   void *context, NSTextCheckingResult *match,
   NSMatchingFlags flags, BOOL *shouldStop)
 {
@@ -401,7 +400,7 @@ callback(const void *context, int32_t steps)
     {
       return FALSE;
     }
-  (*c->h)(c->e, c->c, nil, NSMatchingProgress, &stop);
+  (*c->h)(c->c, nil, NSMatchingProgress, &stop);
 
   return (stop ? FALSE : TRUE);
 }
@@ -594,7 +593,7 @@ prepareResult(NSRegularExpression *regex,
   UErrorCode	        s = 0;
   UText		        txt = UTEXT_INITIALIZER;
   BOOL		        stop = NO;
-  GSRegexContext	ctx = { self, handler, context };
+  GSRegexContext	ctx = { handler, context };
   URegularExpression    *r = setupRegex(regex, string, &txt, opts, range, &ctx);
   NSUInteger	        groups = [self numberOfCaptureGroups] + 1;
   NSRange	        ranges[groups];
@@ -618,7 +617,7 @@ prepareResult(NSRegularExpression *regex,
 	    regularExpressionCheckingResultWithRanges: ranges
 						count: groups
 				    regularExpression: self];
-	  (*handler)(self, context, result, flags, &stop);
+	  (*handler)(context, result, flags, &stop);
 	}
     }
   else
@@ -634,12 +633,12 @@ prepareResult(NSRegularExpression *regex,
 	    regularExpressionCheckingResultWithRanges: ranges
 						count: groups
 				    regularExpression: self];
-	  (*handler)(self, context, result, flags, &stop);
+	  (*handler)(context, result, flags, &stop);
 	}
     }
   if (opts & NSMatchingCompleted)
     {
-      (*handler)(self, context, nil, NSMatchingCompleted, &stop);
+      (*handler)(context, nil, NSMatchingCompleted, &stop);
     }
   utext_close(&txt);
   uregex_close(r);
@@ -657,7 +656,7 @@ prepareResult(NSRegularExpression *regex,
   URegularExpression    *r;
   NSUInteger	        groups = [self numberOfCaptureGroups] + 1;
   NSRange	        ranges[groups];
-  GSRegexContext	ctx = { self, handler, context };
+  GSRegexContext	ctx = { handler, context };
   TEMP_BUFFER(buffer, length);
 
   r = setupRegex(regex, string, buffer, length, opts, range, &ctx);
@@ -681,7 +680,7 @@ prepareResult(NSRegularExpression *regex,
 	    regularExpressionCheckingResultWithRanges: ranges
 						count: groups
 				    regularExpression: self];
-	  (*handler)(self, context, result, flags, &stop);
+	  (*handler)(context, result, flags, &stop);
 	}
     }
   else
@@ -697,12 +696,12 @@ prepareResult(NSRegularExpression *regex,
 	    regularExpressionCheckingResultWithRanges: ranges
 						count: groups
 				    regularExpression: self];
-	  (*handler)(self, context, result, flags, &stop);
+	  (*handler)(context, result, flags, &stop);
 	}
     }
   if (opts & NSMatchingCompleted)
     {
-      (*handler)(self, context, nil, NSMatchingCompleted, &stop);
+      (*handler)(context, nil, NSMatchingCompleted, &stop);
     }
   uregex_close(r);
 }
diff --git a/Tests/base/NSRegularExpression/callbacks.m b/Tests/base/NSRegularExpression/callbacks.m
index 0c84dd488..3fa0a2ebc 100644
--- a/Tests/base/NSRegularExpression/callbacks.m
+++ b/Tests/base/NSRegularExpression/callbacks.m
@@ -1,8 +1,8 @@
 #import <Foundation/Foundation.h>
 #import "ObjectTesting.h"
 
-  static void callback(NSRegularExpression *re, void *context,
-    NSTextCheckingResult *match, NSMatchingFlags flags, BOOL *stop)
+  static void callback(void *context, NSTextCheckingResult *match,
+    NSMatchingFlags flags, BOOL *stop)
   {
     if (match)
       {