diff --git a/test/cctest/wasm/test-liftoff-for-fuzzing.cc b/test/cctest/wasm/test-liftoff-for-fuzzing.cc
index 3843089dd8..ae168efda8 100644
--- a/test/cctest/wasm/test-liftoff-for-fuzzing.cc
+++ b/test/cctest/wasm/test-liftoff-for-fuzzing.cc
@@ -40,7 +40,7 @@ TEST(NondeterminismUnopF64) {
   CHECK(r.HasNondeterminism());
 }
 
-TEST(NondeterminismUnopF32x4AllNaN) {
+TEST(NondeterminismUnopF32x4) {
   WasmRunner<int32_t, float> r(TestExecutionTier::kLiftoffForFuzzing);
 
   byte value = 0;
@@ -55,21 +55,7 @@ TEST(NondeterminismUnopF32x4AllNaN) {
   CHECK(r.HasNondeterminism());
 }
 
-TEST(NondeterminismUnopF32x4OneNaN) {
-  for (byte lane = 0; lane < 4; ++lane) {
-    WasmRunner<int32_t, float> r(TestExecutionTier::kLiftoffForFuzzing);
-    BUILD(r, WASM_SIMD_F32x4_SPLAT(WASM_F32(0)), WASM_LOCAL_GET(0),
-          WASM_SIMD_OP(kExprF32x4ReplaceLane), lane,
-          WASM_SIMD_OP(kExprF32x4Ceil), kExprDrop, WASM_ONE);
-    CHECK(!r.HasNondeterminism());
-    r.CheckCallViaJS(1, 0.0);
-    CHECK(!r.HasNondeterminism());
-    r.CheckCallViaJS(1, std::nanf(""));
-    CHECK(r.HasNondeterminism());
-  }
-}
-
-TEST(NondeterminismUnopF64x2AllNaN) {
+TEST(NondeterminismUnopF64x2) {
   WasmRunner<int32_t, double> r(TestExecutionTier::kLiftoffForFuzzing);
 
   byte value = 0;
@@ -84,20 +70,6 @@ TEST(NondeterminismUnopF64x2AllNaN) {
   CHECK(r.HasNondeterminism());
 }
 
-TEST(NondeterminismUnopF64x2OneNaN) {
-  for (byte lane = 0; lane < 2; ++lane) {
-    WasmRunner<int32_t, double> r(TestExecutionTier::kLiftoffForFuzzing);
-    BUILD(r, WASM_SIMD_F64x2_SPLAT(WASM_F64(0)), WASM_LOCAL_GET(0),
-          WASM_SIMD_OP(kExprF64x2ReplaceLane), lane,
-          WASM_SIMD_OP(kExprF64x2Ceil), kExprDrop, WASM_ONE);
-    CHECK(!r.HasNondeterminism());
-    r.CheckCallViaJS(1, 0.0);
-    CHECK(!r.HasNondeterminism());
-    r.CheckCallViaJS(1, std::nan(""));
-    CHECK(r.HasNondeterminism());
-  }
-}
-
 TEST(NondeterminismBinop) {
   WasmRunner<float> r(TestExecutionTier::kLiftoffForFuzzing);