diff --git a/dot_bashrc.d/executable_09.functions.tmpl b/dot_bashrc.d/executable_09.functions.tmpl
index 0b663d5..2414270 100755
--- a/dot_bashrc.d/executable_09.functions.tmpl
+++ b/dot_bashrc.d/executable_09.functions.tmpl
@@ -117,24 +117,14 @@ list-ssh-keys() {
 {{   if eq .chezmoi.osRelease.id "debian" }}
 # Show version of a Debian package
 debversion() {
-    if [ -x dpkg ]; then
-        local pkgname="${1:?packagename required}"
-        dpkg -s $pkgname | grep Version
-    else
-        echo "not a Debian based system!"
-        return 42
-    fi
+    local pkgname="${1:?packagename required}"
+    dpkg -s $pkgname | grep Version
 }
 
 # Show files of a Debian package
 deblist() {
-    if [ -x dpkg ]; then
-        local pkgname="${1:?packagenamme required}"
-        dpkg-query -L $pkgname
-    else
-        echo "not a Debian based system!"
-        return 42
-    fi
+    local pkgname="${1:?packagenamme required}"
+    dpkg-query -L $pkgname
 }
 
 # Show apt installation history