Use fragment

ui/src/ifql/components/ExpressionNode.tsx

@@ -21,7 +21,7 @@ class ExpressionNode extends PureComponent<Props> {
       <IFQLContext.Consumer>
         {({onDeleteFuncNode, onAddNode, onChangeArg, onGenerateScript}) => {
           return (
-            <div className="expression-node">
+            <>
               {funcs.map(func => (
                 <FuncNode
                   key={func.id}
@@ -39,7 +39,7 @@ class ExpressionNode extends PureComponent<Props> {
                 onAddNode={onAddNode}
                 declarationID={declarationID}
               />
-            </div>
+            </>
           )
         }}
       </IFQLContext.Consumer>

ui/src/style/components/func-node.scss

@@ -47,10 +47,6 @@ $ifql-arg-min-width: 120px;
   @include no-user-select();
 }
 
-.expression-node {
-  display: flex;
-}
-
 .func-node {
   @extend %ifql-node;
   display: flex;