diff --git a/src/platform/packages/shared/kbn-esql-language/src/language/hover/index.ts b/src/platform/packages/shared/kbn-esql-language/src/language/hover/index.ts
index 2818feafb4422..8b716d6683a5b 100644
--- a/src/platform/packages/shared/kbn-esql-language/src/language/hover/index.ts
+++ b/src/platform/packages/shared/kbn-esql-language/src/language/hover/index.ts
@@ -8,7 +8,7 @@
  */
 import type { ESQLCallbacks } from '@kbn/esql-types';
 import { Walker, within } from '../../ast';
-import { parse } from '../../parser';
+import { Parser } from '../../parser';
 
 import { type ESQLFunction, type ESQLSingleAstItem, type ESQLSource } from '../../types';
 
@@ -28,7 +28,7 @@ interface HoverContent {
 
 export async function getHoverItem(fullText: string, offset: number, callbacks?: ESQLCallbacks) {
   const correctedQuery = correctQuerySyntax(fullText, offset);
-  const { root } = parse(correctedQuery);
+  const { root } = Parser.parse(correctedQuery);
 
   let containingFunction: ESQLFunction<'variadic-call'> | undefined;
   let node: ESQLSingleAstItem | undefined;
@@ -94,7 +94,7 @@ export async function getHoverItem(fullText: string, offset: number, callbacks?:
   }
 
   // Function signature hover
-  if (node.type === 'function') {
+  if (node.type === 'function' && node.name !== '=') {
     const functionSignature = await getFunctionSignatureHover(node);
     hoverContent.contents.push(...functionSignature);
   }