diff --git a/src/plugins/profiling/common/index.ts b/src/plugins/profiling/common/index.ts
index 5a02c7b83bd15..2a95536892716 100644
--- a/src/plugins/profiling/common/index.ts
+++ b/src/plugins/profiling/common/index.ts
@@ -53,11 +53,7 @@ export function getTopN(obj) {
       const bucket = obj.topN.histogram.buckets[i];
       for (let j = 0; j < bucket.group_by.buckets.length; j++) {
         const v = bucket.group_by.buckets[j];
-        if (typeof v.key === 'string') {
-          data.push({ x: bucket.key, y: v.Count.value, g: v.key });
-        } else {
-          data.push({ x: bucket.key, y: v.Count.value, g: v.key_as_string });
-        }
+        data.push({ x: bucket.key, y: v.Count.value, g: v.key });
       }
     }
   } else if (obj.TopN !== undefined) {