Index: src/OFMapTable.m
==================================================================
--- src/OFMapTable.m
+++ src/OFMapTable.m
@@ -231,11 +231,11 @@
 	}
 
 	return hash;
 }
 
-- (id)copy
+- copy
 {
 	OFMapTable *copy = [[OFMapTable alloc]
 	    initWithKeyFunctions: _keyFunctions
 		  valueFunctions: _valueFunctions
 			capacity: _capacity];

Index: src/OFUDPSocket.m
==================================================================
--- src/OFUDPSocket.m
+++ src/OFUDPSocket.m
@@ -369,11 +369,11 @@
 		[self close];
 
 	[super dealloc];
 }
 
-- (id)copy
+- copy
 {
 	return [self retain];
 }
 
 - (uint16_t)bindToHost: (OFString*)host