diff --git a/base/base/coverage.cpp b/base/base/coverage.cpp
index 99b897c4571..d96b3ea1e9a 100644
--- a/base/base/coverage.cpp
+++ b/base/base/coverage.cpp
@@ -1,7 +1,7 @@
 #include "coverage.h"
 #include <sys/mman.h>
 
-#pragma GCC diagnostic ignored "-Wreserved-identifier"
+#pragma clang diagnostic ignored "-Wreserved-identifier"
 
 
 /// WITH_COVERAGE enables the default implementation of code coverage,
diff --git a/base/base/sort.h b/base/base/sort.h
index 99bf8a0830e..e46c388d185 100644
--- a/base/base/sort.h
+++ b/base/base/sort.h
@@ -59,8 +59,8 @@ using ComparatorWrapper = Comparator;
 
 #endif
 
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wold-style-cast"
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wold-style-cast"
 
 #include <miniselect/floyd_rivest_select.h>
 
@@ -115,7 +115,7 @@ void partial_sort(RandomIt first, RandomIt middle, RandomIt last)
     ::partial_sort(first, middle, last, comparator());
 }
 
-#pragma GCC diagnostic pop
+#pragma clang diagnostic pop
 
 template <typename RandomIt, typename Compare>
 void sort(RandomIt first, RandomIt last, Compare compare)
diff --git a/programs/client/Client.cpp b/programs/client/Client.cpp
index a2bd6b6016a..1c7e57dac76 100644
--- a/programs/client/Client.cpp
+++ b/programs/client/Client.cpp
@@ -1377,8 +1377,8 @@ void Client::readArguments(
 }
 
 
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wmissing-declarations"
 
 int mainEntryClickHouseClient(int argc, char ** argv)
 {
diff --git a/programs/copier/ClusterCopierApp.cpp b/programs/copier/ClusterCopierApp.cpp
index fdf07dec61a..ed748a17a55 100644
--- a/programs/copier/ClusterCopierApp.cpp
+++ b/programs/copier/ClusterCopierApp.cpp
@@ -232,8 +232,8 @@ int ClusterCopierApp::main(const std::vector<std::string> &)
 
 }
 
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wmissing-declarations"
 
 int mainEntryClickHouseClusterCopier(int argc, char ** argv)
 {
diff --git a/programs/extract-from-config/ExtractFromConfig.cpp b/programs/extract-from-config/ExtractFromConfig.cpp
index 56041ee382f..61d451664e3 100644
--- a/programs/extract-from-config/ExtractFromConfig.cpp
+++ b/programs/extract-from-config/ExtractFromConfig.cpp
@@ -109,8 +109,8 @@ static std::vector<std::string> extractFromConfig(
     return {configuration->getString(key)};
 }
 
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wmissing-declarations"
 
 int mainEntryClickHouseExtractFromConfig(int argc, char ** argv)
 {
diff --git a/programs/format/Format.cpp b/programs/format/Format.cpp
index a1c51565ae3..c92106e2f90 100644
--- a/programs/format/Format.cpp
+++ b/programs/format/Format.cpp
@@ -70,8 +70,8 @@ void skipSpacesAndComments(const char*& pos, const char* end, bool print_comment
 
 }
 
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wmissing-declarations"
 
 extern const char * auto_time_zones[];
 
diff --git a/programs/local/LocalServer.cpp b/programs/local/LocalServer.cpp
index 68f0e52ce08..99639d5e604 100644
--- a/programs/local/LocalServer.cpp
+++ b/programs/local/LocalServer.cpp
@@ -944,8 +944,8 @@ void LocalServer::readArguments(int argc, char ** argv, Arguments & common_argum
 
 }
 
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#pragma clang diagnostic ignored "-Wunused-function"
+#pragma clang diagnostic ignored "-Wmissing-declarations"
 
 int mainEntryClickHouseLocal(int argc, char ** argv)
 {
diff --git a/programs/obfuscator/Obfuscator.cpp b/programs/obfuscator/Obfuscator.cpp
index 242e995e466..317d93aaf0c 100644
--- a/programs/obfuscator/Obfuscator.cpp
+++ b/programs/obfuscator/Obfuscator.cpp
@@ -1204,8 +1204,8 @@ public:
 
 }
 
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wmissing-declarations"
+#pragma clang diagnostic ignored "-Wunused-function"
+#clang GCC diagnostic ignored "-Wmissing-declarations"
 
 int mainEntryClickHouseObfuscator(int argc, char ** argv)
 try
diff --git a/src/Common/SSH/Wrappers.cpp b/src/Common/SSH/Wrappers.cpp
index 463338dbe3f..a9b9f758c6e 100644
--- a/src/Common/SSH/Wrappers.cpp
+++ b/src/Common/SSH/Wrappers.cpp
@@ -2,13 +2,13 @@
 # if USE_SSH
 #    include <stdexcept>
 
-#    pragma GCC diagnostic push
-#    pragma GCC diagnostic ignored "-Wreserved-macro-identifier"
-#    pragma GCC diagnostic ignored "-Wreserved-identifier"
+#    pragma clang diagnostic push
+#    pragma clang diagnostic ignored "-Wreserved-macro-identifier"
+#    pragma clang diagnostic ignored "-Wreserved-identifier"
 
 #    include <libssh/libssh.h>
 
-#    pragma GCC diagnostic pop
+#    pragma clang diagnostic pop
 
 namespace
 {
diff --git a/src/Functions/GatherUtils/Sources.h b/src/Functions/GatherUtils/Sources.h
index 222f9f19168..80fb9ce3900 100644
--- a/src/Functions/GatherUtils/Sources.h
+++ b/src/Functions/GatherUtils/Sources.h
@@ -140,9 +140,9 @@ struct NumericArraySource : public ArraySourceImpl<NumericArraySource<T>>
 
 
 /// The methods can be virtual or not depending on the template parameter. See IStringSource.
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wsuggest-override"
-#pragma GCC diagnostic ignored "-Wsuggest-destructor-override"
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wsuggest-override"
+#pragma clang diagnostic ignored "-Wsuggest-destructor-override"
 
 template <typename Base>
 struct ConstSource : public Base
@@ -231,7 +231,7 @@ struct ConstSource : public Base
     }
 };
 
-#pragma GCC diagnostic pop
+#pragma clang diagnostic pop
 
 struct StringSource
 {