diff --git a/lib/Makefile.am b/lib/Makefile.am
index cec141e33..18376f2c1 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -37,7 +37,6 @@ libfetish_a_SOURCES = \
   hash.c hash.h \
   hash-pjw.c hash-pjw.h \
   __fpending.h \
-  addext.c \
   allocsa.c allocsa.h \
   argmatch.c argmatch.h \
   backupfile.c backupfile.h \