diff --git a/canvas_modules/common-canvas/src/common-properties/controls/expression/expression.jsx b/canvas_modules/common-canvas/src/common-properties/controls/expression/expression.jsx
index d5c0891c5..d22200120 100644
--- a/canvas_modules/common-canvas/src/common-properties/controls/expression/expression.jsx
+++ b/canvas_modules/common-canvas/src/common-properties/controls/expression/expression.jsx
@@ -326,14 +326,13 @@ class ExpressionControl extends React.Component {
 		}
 
 		const reactIntl = this.props.controller.getReactIntl();
-		const Calculator24 = React.forwardRef((props, ref) => <Calculator ref={ref} size={24} {...props} />);
 
 		const button = this._showBuilderButton() ? (
 			<Button kind="ghost" size="sm"
 				className="properties-expression-button"
 				disabled={this.props.state === STATES.DISABLED || this.props.readOnly}
 				onClick={this.showExpressionBuilder}
-				renderIcon={Calculator24}
+				renderIcon={Calculator}
 				iconDescription={formatMessage(reactIntl, MESSAGE_KEYS.EXPRESSION_BUILDER_ICON_DESCRIPTION)}
 				tooltipPosition="right"
 				hasIconOnly