Index: src/OFRunLoop.m
==================================================================
--- src/OFRunLoop.m
+++ src/OFRunLoop.m
@@ -624,13 +624,10 @@
 		void *pool;
 		OFDate *now;
 		OFTimer *timer;
 		OFDate *nextTimer;
 
-#ifdef OF_HAVE_THREADS
-		of_memory_read_barrier();
-#endif
 		if (!_running)
 			break;
 
 		pool = objc_autoreleasePoolPush();
 		now = [OFDate date];
@@ -711,17 +708,14 @@
 }
 
 - (void)stop
 {
 	_running = false;
-#ifdef OF_HAVE_THREADS
-	of_memory_write_barrier();
-#endif
 #if defined(OF_HAVE_SOCKETS)
 	[_streamObserver cancel];
 #elif defined(OF_HAVE_THREADS)
 	[_condition lock];
 	[_condition signal];
 	[_condition unlock];
 #endif
 }
 @end

Index: src/OFThreadPool.m
==================================================================
--- src/OFThreadPool.m
+++ src/OFThreadPool.m
@@ -171,11 +171,10 @@
 
 - (id)main
 {
 	void *pool;
 
-	of_memory_read_barrier();
 	if (_terminate)
 		return nil;
 
 	pool = objc_autoreleasePoolPush();
 
@@ -184,11 +183,10 @@
 
 		[_queueCondition lock];
 		@try {
 			of_list_object_t *listObject;
 
-			of_memory_read_barrier();
 			if (_terminate) {
 				objc_autoreleasePoolPop(pool);
 				return nil;
 			}
 
@@ -195,11 +193,10 @@
 			listObject = [_queue firstListObject];
 
 			while (listObject == NULL) {
 				[_queueCondition wait];
 
-				of_memory_read_barrier();
 				if (_terminate) {
 					objc_autoreleasePoolPop(pool);
 					return nil;
 				}
 
@@ -210,19 +207,17 @@
 			[_queue removeListObject: listObject];
 		} @finally {
 			[_queueCondition unlock];
 		}
 
-		of_memory_read_barrier();
 		if (_terminate) {
 			objc_autoreleasePoolPop(pool);
 			return nil;
 		}
 
 		[job perform];
 
-		of_memory_read_barrier();
 		if (_terminate) {
 			objc_autoreleasePoolPop(pool);
 			return nil;
 		}
 
@@ -229,11 +224,10 @@
 		objc_autoreleasePoolPop(pool);
 		pool = objc_autoreleasePoolPush();
 
 		[_countCondition lock];
 		@try {
-			of_memory_read_barrier();
 			if (_terminate) {
 				objc_autoreleasePoolPop(pool);
 				return nil;
 			}
 
@@ -311,12 +305,10 @@
 			OFEnumerator *enumerator = [_threads objectEnumerator];
 			OFThreadPoolThread *thread;
 
 			while ((thread = [enumerator nextObject]) != nil)
 				thread->_terminate = true;
-
-			of_memory_write_barrier();
 		} @finally {
 			[_countCondition unlock];
 		}
 
 		[_queueCondition broadcast];