diff --git a/lib/cocoa/src/protocol/TBinaryProtocol.m b/lib/cocoa/src/protocol/TBinaryProtocol.m
index 5999e25..b272716 100644
--- a/lib/cocoa/src/protocol/TBinaryProtocol.m
+++ b/lib/cocoa/src/protocol/TBinaryProtocol.m
@@ -37,7 +37,7 @@
 }
 
 - (TBinaryProtocol *) newProtocolOnTransport: (id <TTransport>) transport {
-  return [[[TBinaryProtocol alloc] initWithTransport: transport] autorelease];
+  return [[TBinaryProtocol alloc] initWithTransport: transport];
 }
 
 @end