diff --git a/uni_modules/uts-tests/utssdk/TFloat64Array.uts b/uni_modules/uts-tests/utssdk/TFloat64Array.uts
index e85abf3aeadc3a439b961ed87f0324f06f488010..08f6078549162f055d9579f283d9fa2fd896592f 100644
--- a/uni_modules/uts-tests/utssdk/TFloat64Array.uts
+++ b/uni_modules/uts-tests/utssdk/TFloat64Array.uts
@@ -76,19 +76,6 @@ export class TFloat64Array {
     float64.set([1, 2, 3], 1);
     float64.copyWithin(3, 0, 3);
     expect(float64.toString()).toEqual("0,1,2,0,1,2,0,0");
-
-    let initialLargeArray : Array<number> = new Array(10000, 0);
-    for (let i = 0; i < 5000; ++i) {
-      initialLargeArray[i] = i;
-    }
-    let initialLargeFloat64Array = new Float64Array(initialLargeArray);
-    let largeFloat64Array : Float64Array = new Float64Array(initialLargeFloat64Array);
-    largeFloat64Array.copyWithin(5000, 0);
-    for (let i = 0; i < 5000; ++i) {
-      if (largeFloat64Array[i + 5000] !== i) {
-        expect(true).toEqual(false);
-      }
-    }
     // #END
   }