diff --git a/tcmalloc/testing/aligned_new_test.cc b/tcmalloc/testing/aligned_new_test.cc
index 303c8e616..cf16a7a4d 100644
--- a/tcmalloc/testing/aligned_new_test.cc
+++ b/tcmalloc/testing/aligned_new_test.cc
@@ -162,12 +162,12 @@ TYPED_TEST_P(AlignedNew, ArraySizeCheckSampling) {
   // track of the true size of arrays so that the proper number of destructors
   // can be invoked.
   struct NonTrivial {
-    virtual ~NonTrivial() {}
+    virtual ~NonTrivial() = default;
 
     TypeParam p;
   };
 
-  static_assert(!std::is_trivially_destructible<NonTrivial>::value,
+  static_assert(!std::is_trivially_destructible_v<NonTrivial>,
                 "NonTrivial should have a nontrivial destructor.");
 
   // The HeapLeakChecker initializes malloc hooks which we call prior to looking
diff --git a/tcmalloc/testing/tcmalloc_large_test.cc b/tcmalloc/testing/tcmalloc_large_test.cc
index ef901b2d2..2dda0def9 100644
--- a/tcmalloc/testing/tcmalloc_large_test.cc
+++ b/tcmalloc/testing/tcmalloc_large_test.cc
@@ -94,7 +94,7 @@ class NoErrnoRegionFactory final : public AddressRegionFactory {
  public:
   explicit NoErrnoRegionFactory(AddressRegionFactory* underlying)
       : underlying_(underlying) {}
-  ~NoErrnoRegionFactory() override {}
+  ~NoErrnoRegionFactory() override = default;
 
   AddressRegion* Create(void* start, size_t size, UsageHint hint) override {
     AddressRegion* underlying_region = underlying_->Create(start, size, hint);
diff --git a/tcmalloc/testing/tcmalloc_test.cc b/tcmalloc/testing/tcmalloc_test.cc
index dd83ebc08..ef8b9252d 100644
--- a/tcmalloc/testing/tcmalloc_test.cc
+++ b/tcmalloc/testing/tcmalloc_test.cc
@@ -512,7 +512,7 @@ TEST(TCMallocTest, NothrowSizedDelete) {
 
 TEST(TCMallocTest, NothrowSizedDeleteArray) {
   struct Foo {
-    ~Foo() {}
+    ~Foo() = default;
     double a;
   };
   // Foo should correspond to a size class used by new, but not by malloc,
@@ -521,7 +521,7 @@ TEST(TCMallocTest, NothrowSizedDeleteArray) {
   static_assert(sizeof(Foo) == 8, "Unexpected size for Foo");
   // With a non-trivially destructible type, we expect the compiler to insert a
   // size cookie so it can invoke sized delete[].
-  static_assert(!std::is_trivially_destructible<Foo>::value,
+  static_assert(!std::is_trivially_destructible_v<Foo>,
                 "Foo should not be trivially destructable, for sized delete[]");
 
   static constexpr int kNum = 100;