diff --git a/Source/GNUmakefile b/Source/GNUmakefile
index 5cf00e252..37d90ad7a 100644
--- a/Source/GNUmakefile
+++ b/Source/GNUmakefile
@@ -129,8 +129,6 @@ NSResponder.m \
 NSRulerMarker.m \
 NSRulerView.m \
 NSSavePanel.m \
-NSSearchField.m \
-NSSearchFieldCell.m \
 NSScreen.m \
 NSScroller.m \
 NSScrollView.m \
@@ -297,8 +295,6 @@ NSResponder.h \
 NSRulerMarker.h \
 NSRulerView.h \
 NSSavePanel.h \
-NSSearchField.h \
-NSSearchFieldCell.h \
 NSScreen.h \
 NSScrollView.h \
 NSScroller.h \