diff --git a/docs/setup/linux_build.rst b/docs/setup/linux_build.rst
index ab3f1063c0969..5915d852efe83 100644
--- a/docs/setup/linux_build.rst
+++ b/docs/setup/linux_build.rst
@@ -115,6 +115,15 @@ If you aren't modifying the Firefox backend, then then select one of the
 :ref:`Artifact Mode <Understanding Artifact Builds>` options. If you are
 building Firefox for Android, you should also see the :ref:`GeckoView Contributor Guide`.
 
+Cleanup
+~~~~~~~
+
+After finishing the bootstrap process, ``bootstrap.py`` can be removed.
+
+.. code-block:: shell
+
+    rm bootstrap.py
+
 3. Build
 --------
 
@@ -122,7 +131,6 @@ Now that your system is bootstrapped, you should be able to build!
 
 .. code-block:: shell
 
-    rm bootstrap.py
     cd mozilla-unified
     ./mach build
     ./mach run
diff --git a/docs/setup/macos_build.rst b/docs/setup/macos_build.rst
index 1a2c6f192dd62..27fece61d468c 100644
--- a/docs/setup/macos_build.rst
+++ b/docs/setup/macos_build.rst
@@ -95,6 +95,15 @@ If you aren't modifying the Firefox backend, then then select one of the
 :ref:`Artifact Mode <Understanding Artifact Builds>` options. If you are
 building Firefox for Android, you should also see the :ref:`GeckoView Contributor Guide`.
 
+Cleanup
+~~~~~~~
+
+After finishing the bootstrap process, ``bootstrap.py`` can be removed.
+
+.. code-block:: shell
+
+    rm bootstrap.py
+
 3. Build
 --------
 
@@ -102,7 +111,6 @@ Now that your system is bootstrapped, you should be able to build!
 
 .. code-block:: shell
 
-    rm bootstrap.py
     cd mozilla-unified
     ./mach build
     ./mach run
diff --git a/docs/setup/windows_build.rst b/docs/setup/windows_build.rst
index 74a1f14656132..e887d77de64a8 100644
--- a/docs/setup/windows_build.rst
+++ b/docs/setup/windows_build.rst
@@ -115,6 +115,15 @@ to Windows Defender
     If you're already missing files (you'll see them listed in ``hg status``, you can have them
     brought back by reverting your source tree: ``hg update -C``).
 
+Cleanup
+~~~~~~~
+
+After finishing the bootstrap process, ``bootstrap.py`` can be removed.
+
+.. code-block:: shell
+
+    rm c:/mozilla-source/bootstrap.py
+
 3. Build
 --------
 
@@ -122,7 +131,6 @@ Now that your system is bootstrapped, you should be able to build!
 
 .. code-block:: shell
 
-    rm bootstrap.py
     cd mozilla-unified
     ./mach build
     ./mach run