diff -u -r ../flex-2.6.0/Makefile.am ./Makefile.am
--- ../flex-2.6.0/Makefile.am	2015-11-10 17:55:38.000000000 -0500
+++ ./Makefile.am	2015-12-27 06:36:29.059725071 -0500
@@ -53,7 +53,6 @@
 	doc \
 	examples \
 	po \
-	tests \
 	tools
 
 # Create the ChangeLog, but only if we're inside a git working directory