diff --git a/tasks/e2e-installs.sh b/tasks/e2e-installs.sh
index b8f40168..89702463 100755
--- a/tasks/e2e-installs.sh
+++ b/tasks/e2e-installs.sh
@@ -83,7 +83,11 @@ set -x
 cd ..
 root_path=$PWD
 
+# Prevent lerna bootstrap, we only want top-level dependencies
+cp package.json package.json.bak
+grep -v "lerna bootstrap" package.json > temp && mv temp package.json
 npm install
+mv package.json.bak package.json
 
 if [ "$USE_YARN" = "yes" ]
 then
@@ -92,6 +96,9 @@ then
   yarn cache clean
 fi
 
+# We removed the postinstall, so do it manually
+./node_modules/.bin/lerna bootstrap --concurrency=1
+
 # ******************************************************************************
 # First, pack and install create-react-app.
 # ******************************************************************************
diff --git a/tasks/e2e-kitchensink.sh b/tasks/e2e-kitchensink.sh
index afc36e1a..2c2c1eb9 100755
--- a/tasks/e2e-kitchensink.sh
+++ b/tasks/e2e-kitchensink.sh
@@ -66,7 +66,11 @@ set -x
 cd ..
 root_path=$PWD
 
+# Prevent lerna bootstrap, we only want top-level dependencies
+cp package.json package.json.bak
+grep -v "lerna bootstrap" package.json > temp && mv temp package.json
 npm install
+mv package.json.bak package.json
 
 if [ "$USE_YARN" = "yes" ]
 then
@@ -75,6 +79,9 @@ then
   yarn cache clean
 fi
 
+# We removed the postinstall, so do it manually
+./node_modules/.bin/lerna bootstrap --concurrency=1
+
 # ******************************************************************************
 # First, pack react-scripts and create-react-app so we can use them.
 # ******************************************************************************
diff --git a/tasks/e2e-simple.sh b/tasks/e2e-simple.sh
index d733656d..59cccd88 100755
--- a/tasks/e2e-simple.sh
+++ b/tasks/e2e-simple.sh
@@ -84,10 +84,8 @@ then
   [[ $err_output =~ You\ are\ running\ Node ]] && exit 0 || exit 1
 fi
 
-# Still use npm install instead of directly calling lerna bootstrap to test
-# postinstall script functionality (one npm install should result in a working
-# project)
-npm install
+# We removed the postinstall, so do it manually here
+./node_modules/.bin/lerna bootstrap --concurrency=1
 
 if [ "$USE_YARN" = "yes" ]
 then