Index: src/OFObject.m
==================================================================
--- src/OFObject.m
+++ src/OFObject.m
@@ -357,27 +357,18 @@
 }
 
 + (const char*)typeEncodingForInstanceSelector: (SEL)selector
 {
 #if defined(OF_OBJFW_RUNTIME)
-	const char *ret;
-
-	if ((ret = objc_get_type_encoding(self, selector)) == NULL)
-		@throw [OFNotImplementedException exceptionWithClass: self
-							    selector: selector];
-
-	return ret;
+	return objc_get_type_encoding(self, selector);
 #else
 	Method m;
-	const char *ret;
-
-	if ((m = class_getInstanceMethod(self, selector)) == NULL ||
-	    (ret = method_getTypeEncoding(m)) == NULL)
-		@throw [OFNotImplementedException exceptionWithClass: self
-							    selector: selector];
-
-	return ret;
+
+	if ((m = class_getInstanceMethod(self, selector)) == NULL)
+		return NULL;
+
+	return method_getTypeEncoding(m);
 #endif
 }
 
 + (OFString*)description
 {
@@ -810,30 +801,19 @@
 }
 
 - (const char*)typeEncodingForSelector: (SEL)selector
 {
 #if defined(OF_OBJFW_RUNTIME)
-	const char *ret;
-
-	if ((ret = objc_get_type_encoding(object_getClass(self),
-	    selector)) == NULL)
-		@throw [OFNotImplementedException
-		    exceptionWithClass: [self class]
-			      selector: selector];
-
-	return ret;
+	return objc_get_type_encoding(object_getClass(self), selector);
 #else
 	Method m;
-	const char *ret;
 
 	if ((m = class_getInstanceMethod(object_getClass(self),
-	    selector)) == NULL || (ret = method_getTypeEncoding(m)) == NULL)
-		@throw [OFNotImplementedException
-		    exceptionWithClass: [self class]
-			      selector: selector];
+	    selector)) == NULL)
+		return NULL;
 
-	return ret;
+	return method_getTypeEncoding(m);
 #endif
 }
 
 - (BOOL)isEqual: (id)object
 {