diff --git a/packages/playwright-core/src/utils/sequence.ts b/packages/playwright-core/src/utils/sequence.ts
index 2af5429bd6..27756fabeb 100644
--- a/packages/playwright-core/src/utils/sequence.ts
+++ b/packages/playwright-core/src/utils/sequence.ts
@@ -20,10 +20,13 @@ export function findRepeatedSubsequences(s: string[]): { sequence: string[]; cou
   let i = 0;
 
   const arraysEqual = (a1: string[], a2: string[]) => {
-    if (a1.length !== a2.length) return false;
+    if (a1.length !== a2.length)
+      return false;
     for (let j = 0; j < a1.length; j++) {
-      if (a1[j] !== a2[j]) return false;
+      if (a1[j] !== a2[j])
+        return false;
     }
+
     return true;
   };
 
@@ -41,9 +44,9 @@ export function findRepeatedSubsequences(s: string[]): { sequence: string[]; cou
       while (
         i + p * k <= n &&
         arraysEqual(s.slice(i + p * (k - 1), i + p * k), substr)
-      ) {
+      )
         k += 1;
-      }
+
       k -= 1; // Adjust k since it increments one extra time in the loop
 
       // Update the maximal repeating substring if necessary
diff --git a/packages/playwright-core/src/utils/stackTrace.ts b/packages/playwright-core/src/utils/stackTrace.ts
index 9969346f28..84d08b0184 100644
--- a/packages/playwright-core/src/utils/stackTrace.ts
+++ b/packages/playwright-core/src/utils/stackTrace.ts
@@ -16,7 +16,6 @@
 
 import path from 'path';
 import { parseStackTraceLine } from '../utilsBundle';
-import { isUnderTest } from './';
 import type { StackFrame } from '@protocol/channels';
 import { colors } from '../utilsBundle';
 import { findRepeatedSubsequences } from './sequence';