diff --git a/scripts/circleci/test_entry_point.sh b/scripts/circleci/test_entry_point.sh
index d9a2fbf959..1622c755fd 100755
--- a/scripts/circleci/test_entry_point.sh
+++ b/scripts/circleci/test_entry_point.sh
@@ -26,11 +26,10 @@ fi
 
 # These seem out of order but extract-errors must be run after jest.
 if [ $((0 % CIRCLE_NODE_TOTAL)) -eq "$CIRCLE_NODE_INDEX" ]; then
-  COMMANDS_TO_RUN+=('./node_modules/.bin/gulp lint')
+  COMMANDS_TO_RUN+=('node ./scripts/tasks/eslint')
   COMMANDS_TO_RUN+=('node ./scripts/prettier/index')
-  COMMANDS_TO_RUN+=('./node_modules/.bin/gulp flow')
-  COMMANDS_TO_RUN+=('./node_modules/.bin/grunt build')
-  COMMANDS_TO_RUN+=('./scripts/circleci/test_extract_errors.sh')
+  COMMANDS_TO_RUN+=('node ./scripts/tasks/flow')
+  COMMANDS_TO_RUN+=('npm run build -- --extractErrors')
   COMMANDS_TO_RUN+=('./scripts/circleci/track_stats.sh')
 fi
 
diff --git a/scripts/circleci/test_extract_errors.sh b/scripts/circleci/test_extract_errors.sh
deleted file mode 100755
index cce29cc347..0000000000
--- a/scripts/circleci/test_extract_errors.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-
-set -e
-
-./node_modules/.bin/gulp react:extract-errors
-git checkout -- scripts/error-codes/codes.json
-
-WARNINGS=$(node scripts/error-codes/print-warnings.js)
-echo "$WARNINGS"
-test ! -z "$WARNINGS"