diff --git a/Lib/encodings/rot_13.py b/Lib/encodings/rot_13.py
old mode 100755
new mode 100644
index 5627bfbc69cbbc..ee8005b2d6ce31
--- a/Lib/encodings/rot_13.py
+++ b/Lib/encodings/rot_13.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 """ Python Character Mapping Codec for ROT13.
 
 This codec de/encodes from str to str.
diff --git a/Lib/idlelib/idle_test/example_noext b/Lib/idlelib/idle_test/example_noext
index 7d2510e30bc0ae..10e06dc276e927 100644
--- a/Lib/idlelib/idle_test/example_noext
+++ b/Lib/idlelib/idle_test/example_noext
@@ -1,4 +1,2 @@
-#!usr/bin/env python
-
 def example_function(some_argument):
     pass
diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
index 5c8014a47d5177..268e57eb7a3a0e 100755
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 """Generate C code from an ASDL description."""
 
 import sys
diff --git a/Tools/build/smelly.py b/Tools/build/smelly.py
index 7c534269c57a09..6382acf740dafc 100755
--- a/Tools/build/smelly.py
+++ b/Tools/build/smelly.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Script checking that all symbols exported by libpython start with Py or _Py
 
 import os.path
diff --git a/Tools/wasm/emscripten/web_example/server.py b/Tools/wasm/emscripten/web_example/server.py
index 768e6f84e07798..e0c2c345ae7eaf 100755
--- a/Tools/wasm/emscripten/web_example/server.py
+++ b/Tools/wasm/emscripten/web_example/server.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import argparse
 from http import server
 
diff --git a/Tools/wasm/emscripten/web_example/wasm_assets.py b/Tools/wasm/emscripten/web_example/wasm_assets.py
index 7f0fa7ae7c10ec..59f621c2fd2cdc 100755
--- a/Tools/wasm/emscripten/web_example/wasm_assets.py
+++ b/Tools/wasm/emscripten/web_example/wasm_assets.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """Create a WASM asset bundle directory structure.
 
 The WASM asset bundles are pre-loaded by the final WASM build. The bundle