diff --git a/lib/rules/jsx-curly-newline.js b/lib/rules/jsx-curly-newline.js
index 9edfd179e8..0197f1081e 100644
--- a/lib/rules/jsx-curly-newline.js
+++ b/lib/rules/jsx-curly-newline.js
@@ -169,33 +169,19 @@ module.exports = {
       }
     }
 
-    /**
-     * Gets the left curly and right curly tokens of a node.
-     * @param {ASTNode} node The JSXExpressionContainer node.
-     * @returns {{leftCurly: Object, rightCurly: Object}} An object contaning left and right curly tokens.
-     */
-    function getCurlyTokens(node) {
-      return {
-        leftCurly: sourceCode.getFirstToken(node),
-        rightCurly: sourceCode.getLastToken(node)
-      };
-    }
-
-    /**
-     * Validates the curlys for a JSXExpressionContainer node.
-     * @param {ASTNode} node The JSXExpressionContainer node.
-     * @returns {void}
-     */
-    function validateNode(node) {
-      validateCurlys(getCurlyTokens(node), node.expression);
-    }
 
     // ----------------------------------------------------------------------
     // Public
     // ----------------------------------------------------------------------
 
     return {
-      JSXExpressionContainer: validateNode
+      JSXExpressionContainer(node) {
+        const curlyTokens = {
+          leftCurly: sourceCode.getFirstToken(node),
+          rightCurly: sourceCode.getLastToken(node)
+        };
+        validateCurlys(curlyTokens, node.expression);
+      }
     };
   }
 };