diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index e6392ba..3e1a072 100644
--- include/ruby/ruby.h
+++ include/ruby/ruby.h
@@ -1149,20 +1149,6 @@ rb_ocid_to_rval(id obj)
     if (*(Class *)obj == (Class)rb_cFixnum) {
 	return LONG2FIX(RFIXNUM(obj)->value);
     }
-    if (*(Class *)obj == (Class)rb_cCFNumber) {
-	/* TODO NSNumber should implement the Numeric primitive methods */
-	if (CFNumberIsFloatType((CFNumberRef)obj)) {
-	    double v;
-	    assert(CFNumberGetValue((CFNumberRef)obj, kCFNumberDoubleType, &v));
-	    extern VALUE rb_float_new(double);
-	    return rb_float_new(v);
-	}
-	else {
-	    long v;
-	    assert(CFNumberGetValue((CFNumberRef)obj, kCFNumberLongType, &v));
-	    return LONG2FIX(v);
-	}
-    }
     return (VALUE)obj;
 }
 #define RB2OC(obj) (rb_rval_to_ocid((VALUE)obj))