diff --git a/examples/Bundle-Flat/Module-One/build.lua b/examples/Bundle-Flat/Module-One/build.lua
index ea399225..6b6f249b 100755
--- a/examples/Bundle-Flat/Module-One/build.lua
+++ b/examples/Bundle-Flat/Module-One/build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 bundle = "bundle-flat"
 module = "module-one"
 maindir = ".."
diff --git a/examples/Bundle-Flat/Module-Two/build.lua b/examples/Bundle-Flat/Module-Two/build.lua
index d2a94a82..817ac601 100755
--- a/examples/Bundle-Flat/Module-Two/build.lua
+++ b/examples/Bundle-Flat/Module-Two/build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 bundle = "bundle-flat"
 module = "module-two"
 maindir = ".."
diff --git a/examples/Bundle-Flat/build.lua b/examples/Bundle-Flat/build.lua
index 29779c9a..8186b2bf 100755
--- a/examples/Bundle-Flat/build.lua
+++ b/examples/Bundle-Flat/build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 bundle = "bundle-flat"
 
 packtdszip = true
diff --git a/examples/Bundle-Tree/Module-One/build.lua b/examples/Bundle-Tree/Module-One/build.lua
index 37971c7c..f2e336a7 100755
--- a/examples/Bundle-Tree/Module-One/build.lua
+++ b/examples/Bundle-Tree/Module-One/build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 bundle = "bundle-tree"
 module = "module-one"
 maindir = ".."
diff --git a/examples/Bundle-Tree/Module-Two/build.lua b/examples/Bundle-Tree/Module-Two/build.lua
index b9bfd532..8f3be3ef 100755
--- a/examples/Bundle-Tree/Module-Two/build.lua
+++ b/examples/Bundle-Tree/Module-Two/build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 bundle = "bundle-tree"
 module = "module-two"
 maindir = ".."
diff --git a/examples/Bundle-Tree/build.lua b/examples/Bundle-Tree/build.lua
index ac564512..50293400 100755
--- a/examples/Bundle-Tree/build.lua
+++ b/examples/Bundle-Tree/build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 bundle = "bundle-tree"
 
 packtdszip = true
diff --git a/examples/Simple-Flat/build.lua b/examples/Simple-Flat/build.lua
index d5cb4f79..01ed1b83 100755
--- a/examples/Simple-Flat/build.lua
+++ b/examples/Simple-Flat/build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 module = "simple-flat"
 
 typesetfiles  = {"*.tex"}
diff --git a/examples/Simple-Tree/build.lua b/examples/Simple-Tree/build.lua
index 7b804bf1..ab93617b 100755
--- a/examples/Simple-Tree/build.lua
+++ b/examples/Simple-Tree/build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 module = "simple-tree"
 
 sourcefiledir = "code"
diff --git a/l3build.lua b/l3build.lua
index 92f97ddf..b64bf641 100644
--- a/l3build.lua
+++ b/l3build.lua
@@ -1,5 +1,3 @@
-#!/usr/bin/env texlua
-
 --[[
 
 File l3build.lua Copyright (C) 2014-2022 The LaTeX Project