diff --git a/src/Makefile.sources b/src/Makefile.sources
index b175d2004..46fbc56f6 100644
--- a/src/Makefile.sources
+++ b/src/Makefile.sources
@@ -242,7 +242,6 @@ HB_SUBSET_sources = \
 	hb-subset-cff1.hh \
 	hb-subset-cff2.cc \
 	hb-subset-cff2.hh \
-	hb-subset-glyf.hh \
 	hb-subset-input.cc \
 	hb-subset-input.hh \
 	hb-subset-plan.cc \