diff --git a/frontend/src/ts/test/test-input.ts b/frontend/src/ts/test/test-input.ts
index da57d5721..a87b2b358 100644
--- a/frontend/src/ts/test/test-input.ts
+++ b/frontend/src/ts/test/test-input.ts
@@ -1,6 +1,5 @@
 import * as TestWords from "./test-words";
 import { roundTo2, stdDev, mean } from "../utils/misc";
-import * as TestStats from "./test-stats";
 
 interface Keypress {
   count: number;
@@ -241,12 +240,7 @@ let newKeypresDurationArray: number[] = [];
 
 export function recordKeyupTime(key: string): void {
   const now = performance.now();
-  let diff = Math.abs(keysObj[key] - now);
-
-  if (isNaN(diff) && newKeypresDurationArray.length === 0) {
-    diff = Math.abs(TestStats.start - now);
-  }
-
+  const diff = Math.abs(keysObj[key] - now);
   newKeypresDurationArray.push(roundTo2(diff));
   delete keysObj[key];
 
@@ -397,7 +391,6 @@ export function resetKeypressTimings(): void {
   newKeypresDurationArray = [];
   totalOverlap = 0;
   lastOverlapStartTime = -1;
-  keysObj = {};
   if (spacingDebug) console.clear();
 }