diff --git a/examples/turtlebot3-gazebo.nix b/examples/turtlebot3-gazebo.nix
index 3b09eb33f1..014eb8bcc3 100755
--- a/examples/turtlebot3-gazebo.nix
+++ b/examples/turtlebot3-gazebo.nix
@@ -10,7 +10,6 @@ mkShell {
   buildInputs = [
     glibcLocales
     (buildEnv { paths = [
-      cmake
       turtlebot3-description
       turtlebot3-teleop
       turtlebot3-gazebo