diff --git a/Source/Makefile.in b/Source/Makefile.in
index 04b2691be..888ef2712 100644
--- a/Source/Makefile.in
+++ b/Source/Makefile.in
@@ -298,7 +298,6 @@ NSObject.m \
 NSRange.m \
 NSString.m \
 NSUnarchiver.m \
-NSUser.m \
 NSValue.m
 
 NSVALUE_CLUSTER = 0 1 2 3 4