diff --git a/.env.example b/.env.example
index 17504880b7..792ab3dbd9 100644
--- a/.env.example
+++ b/.env.example
@@ -1,10 +1,3 @@
 # Database connection URL for local PostgreSQL
 # Connect to the 'superset' database
-DATABASE_URL=postgresql://postgres:postgres@localhost:5432/superset
-
-STUB_API_KEY=
-
-# Electron Desktop App
-# Vite dev server port for Electron renderer process
-# Default: 4927. Auto-increments when creating new worktrees to avoid port conflicts
-VITE_DEV_SERVER_PORT=4927
+DATABASE_URL=postgresql://postgres:postgres@localhost:5432/superset
\ No newline at end of file
diff --git a/AGENTS.md b/AGENTS.md
index a7d1c9434e..042b0e1411 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -179,28 +179,6 @@ const result = await window.ipcRenderer.invoke("my-channel", {
   - `types.ts` - Data models
   - `ipc-channels.ts` - IPC type definitions
 
-### Running Multiple Instances
-
-You can run multiple Electron instances simultaneously for parallel development. See `apps/desktop/MULTIPLE_INSTANCES.md` for full documentation.
-
-**Quick start:**
-```bash
-# Method 1: Auto-increment port when creating worktrees
-# The update-port.sh script runs automatically during worktree setup
-# and increments VITE_DEV_SERVER_PORT in the root .env
-
-# Method 2: Manual port update
-./update-port.sh  # Increments port in root .env
-cd apps/desktop && bun dev
-
-# Method 3: Helper scripts (override .env)
-./dev-instance.sh instance2 4928
-```
-
-Each instance needs:
-- **Separate dev server port** - Set via `VITE_DEV_SERVER_PORT` in root `.env`
-- **Separate user data directory** - Pass via `--user-data-dir` flag
-
 ### Environment Variable Loading
 
 The desktop app loads environment variables from the monorepo root `.env` file: