diff --git a/src/api/fp.py b/src/api/fp.py
old mode 100755
new mode 100644
index 403b1d14e..478271000
--- a/src/api/fp.py
+++ b/src/api/fp.py
@@ -1,5 +1,3 @@
-#!/usr/bin/python
-
 # Floating point converter
 
 
diff --git a/src/arch/z80/__init__.py b/src/arch/z80/__init__.py
old mode 100755
new mode 100644
index e7e45417e..cf8aa5da1
--- a/src/arch/z80/__init__.py
+++ b/src/arch/z80/__init__.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # vim:ts=4:et:sw=4:
 
 import src.api.global_
diff --git a/src/arch/zx48k/__init__.py b/src/arch/zx48k/__init__.py
old mode 100755
new mode 100644
index 2a4f6b27d..86bacdde5
--- a/src/arch/zx48k/__init__.py
+++ b/src/arch/zx48k/__init__.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # vim:ts=4:et:sw=4:
 
 import src.api.global_
diff --git a/src/arch/zxnext/__init__.py b/src/arch/zxnext/__init__.py
old mode 100755
new mode 100644
index 884f53a11..130ba4bc7
--- a/src/arch/zxnext/__init__.py
+++ b/src/arch/zxnext/__init__.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # vim:ts=4:et:sw=4:
 
 import src.api.global_
diff --git a/src/zxbc/keywords.py b/src/zxbc/keywords.py
old mode 100755
new mode 100644
index 14d960d4e..e73bd1490
--- a/src/zxbc/keywords.py
+++ b/src/zxbc/keywords.py
@@ -1,4 +1,3 @@
-#!/usr/bin/python
 # vim:ts=4:et:sw=4
 
 # ----------------------------------------------------------------------
diff --git a/src/zxbpp/base_pplex.py b/src/zxbpp/base_pplex.py
old mode 100755
new mode 100644
index 28f390312..274f474a0
--- a/src/zxbpp/base_pplex.py
+++ b/src/zxbpp/base_pplex.py
@@ -1,5 +1,3 @@
-#!/usr/bin/python3
-
 # ----------------------------------------------------------------------
 # Copyleft (K), Jose M. Rodriguez-Rosa (a.k.a. Boriel)
 #
diff --git a/tests/functional/test_.py b/tests/functional/test_.py
old mode 100755
new mode 100644
index 9ccb8ebc1..ea879fa57
--- a/tests/functional/test_.py
+++ b/tests/functional/test_.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 # vim:ts=4:et:ai
 
 import os
diff --git a/tests/functional/test_asm.py b/tests/functional/test_asm.py
old mode 100755
new mode 100644
index a5977f8b1..af6eb8a14
--- a/tests/functional/test_asm.py
+++ b/tests/functional/test_asm.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 import os
 import sys
 
diff --git a/tests/functional/test_basic.py b/tests/functional/test_basic.py
old mode 100755
new mode 100644
index 516f7caa4..0a8029817
--- a/tests/functional/test_basic.py
+++ b/tests/functional/test_basic.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 import glob
 import os
 import sys
diff --git a/tests/functional/test_prepro.py b/tests/functional/test_prepro.py
old mode 100755
new mode 100644
index 93e028f67..c5e2f06eb
--- a/tests/functional/test_prepro.py
+++ b/tests/functional/test_prepro.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 import os
 import sys