diff --git a/tasks/e2e-kitchensink-eject.sh b/tasks/e2e-kitchensink-eject.sh
index 736c4326a20..622a396d652 100755
--- a/tasks/e2e-kitchensink-eject.sh
+++ b/tasks/e2e-kitchensink-eject.sh
@@ -117,10 +117,6 @@ export BROWSERSLIST='ie 9'
 # Eject...
 echo yes | npm run eject
 
-# Temporary workaround for https://github.com/facebook/create-react-app/issues/6099
-rm yarn.lock
-yarn add @babel/plugin-transform-react-jsx-source @babel/plugin-syntax-jsx @babel/plugin-transform-react-jsx @babel/plugin-transform-react-jsx-self
-
 # Test the build
 REACT_APP_SHELL_ENV_MESSAGE=fromtheshell \
   NODE_PATH=src \
diff --git a/tasks/e2e-simple.sh b/tasks/e2e-simple.sh
index fb70ce54fb6..3d01fba6f0c 100755
--- a/tasks/e2e-simple.sh
+++ b/tasks/e2e-simple.sh
@@ -251,10 +251,6 @@ verify_module_scope
 # Eject...
 echo yes | npm run eject
 
-# Temporary workaround for https://github.com/facebook/create-react-app/issues/6099
-rm yarn.lock
-yarn add @babel/plugin-transform-react-jsx-source @babel/plugin-syntax-jsx @babel/plugin-transform-react-jsx @babel/plugin-transform-react-jsx-self
-
 # Test ejected files were staged
 test -n "$(git diff --staged --name-only)"