diff --git a/.js.env.example b/.js.env.example
index 6a76c00af6c2..a413ae2acc36 100644
--- a/.js.env.example
+++ b/.js.env.example
@@ -50,10 +50,10 @@ export MM_BLOCKAID_UI_ENABLED=""
 export WATCHER_PORT=8081
 
 # Environment: "production", "pre-release" or "local"
-export METAMASK_ENVIRONMENT=""
+export METAMASK_ENVIRONMENT="local"
 
 # Build type: "main" or "flask"
-export METAMASK_BUILD_TYPE=""
+export METAMASK_BUILD_TYPE="main"
 
 # Segment SDK proxy endpoint and write key
 export SEGMENT_WRITE_KEY=""
diff --git a/README.md b/README.md
index 9362241a5c24..1be86b728b45 100644
--- a/README.md
+++ b/README.md
@@ -49,8 +49,6 @@ cp .android.env.example .android.env && \
 cp .js.env.example .js.env
 ```
 
-After successfully running this command, review the `.js.env` file and make sure that both `METAMASK_ENVIRONMENT` and `METAMASK_BUILD_TYPE` have a set value, otherwise the next steps may fail.
-
 ### Running the app
 
 **Run Metro bundler**