diff --git a/highlighters/main/test-data/sudo-command.zsh b/highlighters/main/test-data/sudo-command.zsh
index e825e83..266ace2 100644
--- a/highlighters/main/test-data/sudo-command.zsh
+++ b/highlighters/main/test-data/sudo-command.zsh
@@ -27,7 +27,7 @@
 # vim: ft=zsh sw=2 ts=2 et
 # -------------------------------------------------------------------------------------------------
 
-type sudo >/dev/null || skip_test='sudo must be present'
+sudo(){}
 
 # Tests three codepaths:
 # * -i  (no argument)
diff --git a/highlighters/main/test-data/sudo-comment.zsh b/highlighters/main/test-data/sudo-comment.zsh
index c750b01..74cd905 100644
--- a/highlighters/main/test-data/sudo-comment.zsh
+++ b/highlighters/main/test-data/sudo-comment.zsh
@@ -27,7 +27,7 @@
 # vim: ft=zsh sw=2 ts=2 et
 # -------------------------------------------------------------------------------------------------
 
-type sudo >/dev/null || skip_test='sudo must be present'
+sudo(){}
 
 setopt interactive_comments
 BUFFER='sudo -u # comment'
diff --git a/highlighters/main/test-data/sudo-redirection.zsh b/highlighters/main/test-data/sudo-redirection.zsh
index 419caf2..c675d7d 100644
--- a/highlighters/main/test-data/sudo-redirection.zsh
+++ b/highlighters/main/test-data/sudo-redirection.zsh
@@ -27,7 +27,7 @@
 # vim: ft=zsh sw=2 ts=2 et
 # -------------------------------------------------------------------------------------------------
 
-type sudo >/dev/null || skip_test='sudo must be present'
+sudo(){}
 
 BUFFER='sudo -u >/tmp otheruser ls; sudo ls; sudo -i ls'
 
diff --git a/highlighters/main/test-data/sudo-redirection2.zsh b/highlighters/main/test-data/sudo-redirection2.zsh
index 715fed2..23ada53 100644
--- a/highlighters/main/test-data/sudo-redirection2.zsh
+++ b/highlighters/main/test-data/sudo-redirection2.zsh
@@ -27,7 +27,7 @@
 # vim: ft=zsh sw=2 ts=2 et
 # -------------------------------------------------------------------------------------------------
 
-type sudo >/dev/null || skip_test='sudo must be present'
+sudo(){}
 
 BUFFER='sudo >/tmp -u otheruser ls'
 
diff --git a/highlighters/main/test-data/sudo-redirection3.zsh b/highlighters/main/test-data/sudo-redirection3.zsh
index f8ea581..80e55b5 100644
--- a/highlighters/main/test-data/sudo-redirection3.zsh
+++ b/highlighters/main/test-data/sudo-redirection3.zsh
@@ -27,7 +27,7 @@
 # vim: ft=zsh sw=2 ts=2 et
 # -------------------------------------------------------------------------------------------------
 
-type sudo >/dev/null || skip_test='sudo must be present'
+sudo(){}
 
 BUFFER='sudo 2>./. -u otheruser ls'