diff --git a/pkgs/tools/system/plan9port/builder.sh b/pkgs/tools/system/plan9port/builder.sh
index 2adab988c57..f97706fa719 100644
--- a/pkgs/tools/system/plan9port/builder.sh
+++ b/pkgs/tools/system/plan9port/builder.sh
@@ -13,7 +13,6 @@ for p in $patches; do
   patch -p1 < $p
 done
 
-./INSTALL -b
 ./INSTALL -r $out/plan9
 
 export PLAN9=$out/plan9