diff --git a/frontend/src/metabase-lib/expressions/format.js b/frontend/src/metabase-lib/expressions/format.js
index 7470813e9ec57b6c5b783d0156aa9018f1619d10..b25aab862ccc52e53d1bce6eab44644d2aae3aac 100644
--- a/frontend/src/metabase-lib/expressions/format.js
+++ b/frontend/src/metabase-lib/expressions/format.js
@@ -111,9 +111,7 @@ function formatFunction([fn, ...args], options) {
   }
   const formattedName = getExpressionName(fn);
   const formattedArgs = args.map(arg => format(arg, options));
-  return args.length === 0
-    ? formattedName + "()"
-    : `${formattedName}(${formattedArgs.join(", ")})`;
+  return `${formattedName}(${formattedArgs.join(", ")})`;
 }
 
 function formatOperator([op, ...args], options) {