diff --git a/buildtools/build.sh b/buildtools/build.sh
index 0571eaa5..c87643a6 100755
--- a/buildtools/build.sh
+++ b/buildtools/build.sh
@@ -3,7 +3,6 @@
 set -e
 
 PROJECT=""
-export GRIST_EXT=stubs
 if [[ -e ext/app ]]; then
   PROJECT="tsconfig-ext.json"
 fi
diff --git a/sandbox/watch.sh b/sandbox/watch.sh
index d8b8d642..ae77fcd3 100755
--- a/sandbox/watch.sh
+++ b/sandbox/watch.sh
@@ -3,7 +3,6 @@
 set -x
 
 PROJECT=""
-export GRIST_EXT=stubs
 if [[ -e ext/app ]]; then
   PROJECT="tsconfig-ext.json"
 fi