diff --git a/src/command/builtins.rs b/src/command/builtins.rs
index c90687d..6de1cde 100644
--- a/src/command/builtins.rs
+++ b/src/command/builtins.rs
@@ -57,10 +57,8 @@ pub(crate) fn exit(args: &Vec<String>, _variables: &mut Variables, exit_code: &m
 }
 
 pub(super) fn unset(args: &Vec<String>, variables: &mut Variables, exit_code: &mut ExitCode) {
-    if !args.is_empty() {
-        for variable_name in args.iter() {
-            variables.unset(variable_name);
-        }
+    for variable_name in args.iter() {
+        variables.unset(variable_name);
     }
 
     exit_code.set_success();