@@ -92,12 +92,12 @@
 
 		if (SIZE_MAX / 8 < count - 1)
 			@throw [OFOutOfRangeException exception];
 
 		bitStringLength = (count - 1) * 8;
-		bitStringValue = [[DEREncodedContents
-		    subdataWithRange: of_range(1, count - 1)] copy];
+		bitStringValue = [DEREncodedContents subdataWithRange:
+		    of_range(1, count - 1)];
 
 		if (unusedBits != 0)
 			bitStringLength -= unusedBits;
 	} @catch (id e) {
 		[self release];