diff --git a/cpp/tests/iterator/value_iterator_test_numeric.cu b/cpp/tests/iterator/value_iterator_test_numeric.cu
index d3d1c12bdc7..39e05ff6832 100644
--- a/cpp/tests/iterator/value_iterator_test_numeric.cu
+++ b/cpp/tests/iterator/value_iterator_test_numeric.cu
@@ -23,17 +23,5 @@ template <typename T>
 struct NumericValueIteratorTest : public IteratorTest<T> {};
 
 TYPED_TEST_SUITE(NumericValueIteratorTest, TestingTypes);
-TYPED_TEST(NumericValueIteratorTest, non_null_iterator)
-{
-  if constexpr (std::is_same_v<TypeParam, int16_t> || std::is_same_v<TypeParam, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
-  non_null_iterator(*this);
-}
-TYPED_TEST(NumericValueIteratorTest, null_iterator)
-{
-  if constexpr (std::is_same_v<TypeParam, int16_t> || std::is_same_v<TypeParam, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
-  null_iterator(*this);
-}
+TYPED_TEST(NumericValueIteratorTest, non_null_iterator) { non_null_iterator(*this); }
+TYPED_TEST(NumericValueIteratorTest, null_iterator) { null_iterator(*this); }
diff --git a/cpp/tests/reductions/reduction_tests.cpp b/cpp/tests/reductions/reduction_tests.cpp
index 0ec4cfa34c4..949ffcc26a6 100644
--- a/cpp/tests/reductions/reduction_tests.cpp
+++ b/cpp/tests/reductions/reduction_tests.cpp
@@ -300,9 +300,6 @@ TYPED_TEST_SUITE(ReductionTest, cudf::test::NumericTypes);
 TYPED_TEST(ReductionTest, Product)
 {
   using T = TypeParam;
-  if constexpr (std::is_same_v<T, int16_t> || std::is_same_v<T, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
 
   std::vector<int> int_values({5, -1, 1, 0, 3, 2, 4});
   std::vector<bool> host_bools({true, true, false, false, true, true, true});
diff --git a/cpp/tests/reductions/segmented_reduction_tests.cpp b/cpp/tests/reductions/segmented_reduction_tests.cpp
index 37efc116d2a..668690639a6 100644
--- a/cpp/tests/reductions/segmented_reduction_tests.cpp
+++ b/cpp/tests/reductions/segmented_reduction_tests.cpp
@@ -87,10 +87,6 @@ TYPED_TEST(SegmentedReductionTest, SumExcludeNulls)
 
 TYPED_TEST(SegmentedReductionTest, ProductExcludeNulls)
 {
-  if constexpr (std::is_same_v<TypeParam, int16_t> || std::is_same_v<TypeParam, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
-
   // [1, 3, 5], [null, 3, 5], [1], [null], [null, null], []
   // values:    {1, 3, 5, XXX, 3, 5, 1, XXX, XXX, XXX}
   // offsets:   {0, 3, 6, 7, 8, 10, 10}
@@ -141,10 +137,6 @@ TYPED_TEST(SegmentedReductionTest, ProductExcludeNulls)
 
 TYPED_TEST(SegmentedReductionTest, MaxExcludeNulls)
 {
-  if constexpr (std::is_same_v<TypeParam, int16_t> || std::is_same_v<TypeParam, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
-
   // [1, 2, 3], [1, null, 3], [1], [null], [null, null], []
   // values:    {1, 2, 3, 1, XXX, 3, 1, XXX, XXX, XXX}
   // offsets:   {0, 3, 6, 7, 8, 10, 10}
@@ -193,10 +185,6 @@ TYPED_TEST(SegmentedReductionTest, MaxExcludeNulls)
 
 TYPED_TEST(SegmentedReductionTest, MinExcludeNulls)
 {
-  if constexpr (std::is_same_v<TypeParam, int16_t> || std::is_same_v<TypeParam, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
-
   // [1, 2, 3], [1, null, 3], [1], [null], [null, null], []
   // values:   {1, 2, 3, 1, XXX, 3, 1, XXX, XXX, XXX}
   // offsets:  {0, 3, 6, 7, 8, 10, 10}
@@ -388,10 +376,6 @@ TYPED_TEST(SegmentedReductionTest, SumIncludeNulls)
 
 TYPED_TEST(SegmentedReductionTest, ProductIncludeNulls)
 {
-  if constexpr (std::is_same_v<TypeParam, int16_t> || std::is_same_v<TypeParam, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
-
   // [1, 3, 5], [null, 3, 5], [1], [null], [null, null], []
   // values:    {1, 3, 5, XXX, 3, 5, 1, XXX, XXX, XXX}
   // offsets:   {0, 3, 6, 7, 8, 10, 10}
@@ -445,10 +429,6 @@ TYPED_TEST(SegmentedReductionTest, ProductIncludeNulls)
 
 TYPED_TEST(SegmentedReductionTest, MaxIncludeNulls)
 {
-  if constexpr (std::is_same_v<TypeParam, int16_t> || std::is_same_v<TypeParam, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
-
   // [1, 2, 3], [1, null, 3], [1], [null], [null, null], []
   // values:    {1, 2, 3, 1, XXX, 3, 1, XXX, XXX, XXX}
   // offsets:   {0, 3, 6, 7, 8, 10, 10}
@@ -500,10 +480,6 @@ TYPED_TEST(SegmentedReductionTest, MaxIncludeNulls)
 
 TYPED_TEST(SegmentedReductionTest, MinIncludeNulls)
 {
-  if constexpr (std::is_same_v<TypeParam, int16_t> || std::is_same_v<TypeParam, uint16_t>) {
-    if (getenv("LIBCUDF_MEMCHECK_ENABLED")) { return; }
-  }
-
   // [1, 2, 3], [1, null, 3], [1], [null], [null, null], []
   // values:   {1, 2, 3, 1, XXX, 3, 1, XXX, XXX}
   // offsets:  {0, 3, 6, 7, 8, 10, 10}