Index: libcfa/src/concurrency/channel.hfa
===================================================================
--- libcfa/src/concurrency/channel.hfa	(revision ca995e3090a31786ce34129347ad66e6dd17c3a9)
+++ libcfa/src/concurrency/channel.hfa	(revision 3f0b062c77b1b14b3aeaa79527dbd8b879bbd4fa)
@@ -28,5 +28,7 @@
     unlock( lock );
     park();
+    #if defined(__ARM_ARCH)
     __atomic_thread_fence( __ATOMIC_SEQ_CST );
+    #endif
     return sn.extra == 0p;
 }
@@ -131,5 +133,7 @@
 static inline void __cons_handoff( channel(T) & chan, T & elem ) with(chan) {
     memcpy( cons`first.extra, (void *)&elem, sizeof(T) ); // do waiting consumer work
+    #if defined(__ARM_ARCH)
     __atomic_thread_fence( __ATOMIC_SEQ_CST );
+    #endif
     wake_one( cons );
 }
@@ -138,5 +142,7 @@
 static inline void __prods_handoff( channel(T) & chan, T & retval ) with(chan) {
     memcpy( (void *)&retval, prods`first.extra, sizeof(T) );
+    #if defined(__ARM_ARCH)
     __atomic_thread_fence( __ATOMIC_SEQ_CST );
+    #endif
     wake_one( prods );
 }