diff --git a/src/Makefile.am b/src/Makefile.am
index 43027626f5..dcdb1a80a8 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,7 +1,7 @@
 
 # leave in dependency order, since common must be built first
 
-SUBDIRS =      common smtpap orkeygen httpap op or
-DIST_SUBDIRS = common smtpap orkeygen httpap op or
+SUBDIRS =      common smtpap orkeygen httpap or
+DIST_SUBDIRS = common smtpap orkeygen httpap or