diff --git a/features/src/claude-code/install.sh b/features/src/claude-code/install.sh
index d372d2f..68c4913 100755
--- a/features/src/claude-code/install.sh
+++ b/features/src/claude-code/install.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # References:
 #   - https://docs.anthropic.com/en/docs/claude-code/overview
 
@@ -22,6 +22,10 @@ _install_claude_code() {
     else
         $download_cmd | bash
     fi
+
+    # Clean up config files generated by the installer to avoid stale state
+    _user_home="${_REMOTE_USER_HOME:-$HOME}"
+    rm -Rf "$_user_home/.claude" "$_user_home/.claude.json"
 }
 
 _install_claude_code