diff --git a/src/Columns/tests/gtest_weak_hash_32.cpp b/src/Columns/tests/gtest_weak_hash_32.cpp
index 44337e5d3f0..2c95998761b 100644
--- a/src/Columns/tests/gtest_weak_hash_32.cpp
+++ b/src/Columns/tests/gtest_weak_hash_32.cpp
@@ -1,12 +1,10 @@
 #include <gtest/gtest.h>
 
-#include <Columns/ColumnsNumber.h>
 #include <Columns/ColumnString.h>
 #include <Columns/ColumnFixedString.h>
 #include <Columns/ColumnArray.h>
 #include <Columns/ColumnConst.h>
 #include <Columns/ColumnDecimal.h>
-#include <Columns/ColumnLowCardinality.h>
 #include <Columns/ColumnNullable.h>
 #include <Columns/ColumnTuple.h>
 
@@ -14,7 +12,6 @@
 #include <DataTypes/DataTypesNumber.h>
 
 #include <Common/WeakHash.h>
-#include <base/hex.h>
 
 #include <unordered_map>
 #include <iostream>
diff --git a/src/Common/tests/gtest_DateLUTImpl.cpp b/src/Common/tests/gtest_DateLUTImpl.cpp
index 3d3a3f04941..3f9b75e264d 100644
--- a/src/Common/tests/gtest_DateLUTImpl.cpp
+++ b/src/Common/tests/gtest_DateLUTImpl.cpp
@@ -1,3 +1,9 @@
+#if !defined(SANITIZER)
+
+/// This test is slow due to exhaustive checking of time zones.
+/// Better to replace with randomization.
+/// Also, recommended to replace with a functional test for better maintainability.
+
 #include <Common/DateLUT.h>
 #include <Common/DateLUTImpl.h>
 
@@ -548,3 +554,5 @@ INSTANTIATE_TEST_SUITE_P(AllTimezones_Year1970,
 //            {0, 0 + 11 * 3600 * 24 + 12, 11},
         }))
 );
+
+#endif