diff --git a/Lib/turtledemo/__main__.py b/Lib/turtledemo/__main__.py
old mode 100755
new mode 100644
index 731f98b02b17a7..06a64081a896b5
--- a/Lib/turtledemo/__main__.py
+++ b/Lib/turtledemo/__main__.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-
 """
   ----------------------------------------------
       turtleDemo - Help
diff --git a/Lib/turtledemo/bytedesign.py b/Lib/turtledemo/bytedesign.py
old mode 100755
new mode 100644
index 1b7452b512c6eb..476cdaabfceab1
--- a/Lib/turtledemo/bytedesign.py
+++ b/Lib/turtledemo/bytedesign.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """      turtle-example-suite:
 
         tdemo_bytedesign.py
diff --git a/Lib/turtledemo/clock.py b/Lib/turtledemo/clock.py
old mode 100755
new mode 100644
index 9f8585bd11e053..fd3b3992d466bf
--- a/Lib/turtledemo/clock.py
+++ b/Lib/turtledemo/clock.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 # -*- coding: cp1252 -*-
 """       turtle-example-suite:
 
diff --git a/Lib/turtledemo/forest.py b/Lib/turtledemo/forest.py
old mode 100755
new mode 100644
index 55b7da947d2476..cac553223828db
--- a/Lib/turtledemo/forest.py
+++ b/Lib/turtledemo/forest.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """     turtlegraphics-example-suite:
 
              tdemo_forest.py
diff --git a/Lib/turtledemo/fractalcurves.py b/Lib/turtledemo/fractalcurves.py
old mode 100755
new mode 100644
index 54ade96a0ad05e..fda193e06fedee
--- a/Lib/turtledemo/fractalcurves.py
+++ b/Lib/turtledemo/fractalcurves.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """      turtle-example-suite:
 
         tdemo_fractalCurves.py
diff --git a/Lib/turtledemo/lindenmayer.py b/Lib/turtledemo/lindenmayer.py
old mode 100755
new mode 100644
index 3925f25da61870..7c7a84796c3c28
--- a/Lib/turtledemo/lindenmayer.py
+++ b/Lib/turtledemo/lindenmayer.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """       turtle-example-suite:
 
         xtx_lindenmayer_indian.py
diff --git a/Lib/turtledemo/minimal_hanoi.py b/Lib/turtledemo/minimal_hanoi.py
old mode 100755
new mode 100644
index 4a432f2b2908d5..08d8b630fec3b4
--- a/Lib/turtledemo/minimal_hanoi.py
+++ b/Lib/turtledemo/minimal_hanoi.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """       turtle-example-suite:
 
          tdemo_minimal_hanoi.py
diff --git a/Lib/turtledemo/paint.py b/Lib/turtledemo/paint.py
old mode 100755
new mode 100644
index fc6852a20082f5..6e63d004454589
--- a/Lib/turtledemo/paint.py
+++ b/Lib/turtledemo/paint.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """       turtle-example-suite:
 
             tdemo_paint.py
diff --git a/Lib/turtledemo/peace.py b/Lib/turtledemo/peace.py
old mode 100755
new mode 100644
index e2ba9288d9e42e..fd6abe390ef198
--- a/Lib/turtledemo/peace.py
+++ b/Lib/turtledemo/peace.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """       turtle-example-suite:
 
               tdemo_peace.py
diff --git a/Lib/turtledemo/penrose.py b/Lib/turtledemo/penrose.py
old mode 100755
new mode 100644
index 045722a2286061..ac12c899d3844e
--- a/Lib/turtledemo/penrose.py
+++ b/Lib/turtledemo/penrose.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """       xturtle-example-suite:
 
           xtx_kites_and_darts.py
diff --git a/Lib/turtledemo/planet_and_moon.py b/Lib/turtledemo/planet_and_moon.py
old mode 100755
new mode 100644
index 021ff99383aa65..c0e2c5b79e173e
--- a/Lib/turtledemo/planet_and_moon.py
+++ b/Lib/turtledemo/planet_and_moon.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """       turtle-example-suite:
 
         tdemo_planets_and_moon.py
diff --git a/Lib/turtledemo/sorting_animate.py b/Lib/turtledemo/sorting_animate.py
old mode 100755
new mode 100644
index d25a0ab6cebdc0..55735cd7001278
--- a/Lib/turtledemo/sorting_animate.py
+++ b/Lib/turtledemo/sorting_animate.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """
 
          sorting_animation.py
diff --git a/Lib/turtledemo/tree.py b/Lib/turtledemo/tree.py
old mode 100755
new mode 100644
index 98a20da7f15c11..12729e23688a48
--- a/Lib/turtledemo/tree.py
+++ b/Lib/turtledemo/tree.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """      turtle-example-suite:
 
              tdemo_tree.py
diff --git a/Lib/turtledemo/yinyang.py b/Lib/turtledemo/yinyang.py
old mode 100755
new mode 100644
index 11d1f47cae2549..791060d17e6b6a
--- a/Lib/turtledemo/yinyang.py
+++ b/Lib/turtledemo/yinyang.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 """       turtle-example-suite:
 
             tdemo_yinyang.py