--- a/Makefile.am
+++ b/Makefile.am
@@ -35,7 +35,7 @@ DISTCLEANFILES = tool-versions.txt
 
 
 # "gnulib-tests" is the gnulib unit test dir.
-SUBDIRS = gl build-aux lib find xargs locate doc po m4 gnulib-tests
+SUBDIRS = gl build-aux lib find xargs locate doc po m4
 
 ALL_RECURSIVE_TARGETS =
 
