@@ -23,16 +23,16 @@
 + (instancetype)exception
 {
 	OF_UNRECOGNIZED_SELECTOR
 }
 
-+ alloc
++ (instancetype)alloc
 {
 	OF_UNRECOGNIZED_SELECTOR
 }
 
-- init
+- (instancetype)init
 {
 	OF_INVALID_INIT_METHOD
 }
 
 - (void *)allocMemoryWithSize: (size_t)size
@@ -62,16 +62,16 @@
 - (void)freeMemory: (void *)ptr
 {
 	OF_UNRECOGNIZED_SELECTOR
 }
 
-- retain
+- (instancetype)retain
 {
 	return self;
 }
 
-- autorelease
+- (instancetype)autorelease
 {
 	return self;
 }
 
 - (unsigned int)retainCount