diff --git a/contrib/capnproto-cmake/CMakeLists.txt b/contrib/capnproto-cmake/CMakeLists.txt
index b655ad3e5d9..949481e7ef5 100644
--- a/contrib/capnproto-cmake/CMakeLists.txt
+++ b/contrib/capnproto-cmake/CMakeLists.txt
@@ -74,10 +74,9 @@ target_link_libraries(capnpc PUBLIC capnp)
 
 # The library has substandard code
 if (COMPILER_GCC)
-    set (SUPPRESS_WARNINGS -Wno-non-virtual-dtor -Wno-sign-compare -Wno-strict-aliasing -Wno-maybe-uninitialized
-        -Wno-deprecated-declarations -Wno-class-memaccess)
+    set (SUPPRESS_WARNINGS -w)
 elseif (COMPILER_CLANG)
-    set (SUPPRESS_WARNINGS -Wno-non-virtual-dtor -Wno-sign-compare -Wno-strict-aliasing -Wno-deprecated-declarations)
+    set (SUPPRESS_WARNINGS -w)
     set (CAPNP_PRIVATE_CXX_FLAGS -fno-char8_t)
 endif ()
 
diff --git a/src/Common/ZooKeeper/ZooKeeperImpl.cpp b/src/Common/ZooKeeper/ZooKeeperImpl.cpp
index a3e82612ac8..2ee0c5aba17 100644
--- a/src/Common/ZooKeeper/ZooKeeperImpl.cpp
+++ b/src/Common/ZooKeeper/ZooKeeperImpl.cpp
@@ -424,7 +424,7 @@ void ZooKeeperRequest::write(WriteBuffer & out) const
 
 struct ZooKeeperResponse : virtual Response
 {
-    virtual ~ZooKeeperResponse() = default;
+    virtual ~ZooKeeperResponse() override = default;
     virtual void readImpl(ReadBuffer &) = 0;
 };
 
diff --git a/src/Common/ZooKeeper/ZooKeeperImpl.h b/src/Common/ZooKeeper/ZooKeeperImpl.h
index 840cbdbde3f..305ee46d58a 100644
--- a/src/Common/ZooKeeper/ZooKeeperImpl.h
+++ b/src/Common/ZooKeeper/ZooKeeperImpl.h
@@ -260,7 +260,7 @@ struct ZooKeeperRequest : virtual Request
 
     ZooKeeperRequest() = default;
     ZooKeeperRequest(const ZooKeeperRequest &) = default;
-    virtual ~ZooKeeperRequest() = default;
+    virtual ~ZooKeeperRequest() override = default;
 
     virtual ZooKeeper::OpNum getOpNum() const = 0;
 
diff --git a/src/Core/MySQL/MySQLReplication.h b/src/Core/MySQL/MySQLReplication.h
index 7834a1b355c..b63b103e87a 100644
--- a/src/Core/MySQL/MySQLReplication.h
+++ b/src/Core/MySQL/MySQLReplication.h
@@ -499,7 +499,7 @@ namespace MySQLReplication
         virtual BinlogEventPtr readOneEvent() = 0;
         virtual void setReplicateDatabase(String db) = 0;
         virtual void setGTIDSets(GTIDSets sets) = 0;
-        virtual ~IFlavor() = default;
+        virtual ~IFlavor() override = default;
     };
 
     class MySQLFlavor : public IFlavor
diff --git a/src/Functions/GatherUtils/Sources.h b/src/Functions/GatherUtils/Sources.h
index cebc28a059f..c1258308740 100644
--- a/src/Functions/GatherUtils/Sources.h
+++ b/src/Functions/GatherUtils/Sources.h
@@ -128,6 +128,8 @@ struct NumericArraySource : public ArraySourceImpl<NumericArraySource<T>>
     #pragma GCC diagnostic push
     #pragma GCC diagnostic ignored "-Wsuggest-override"
 #elif __clang_major__ >= 11
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wsuggest-override"
     #pragma GCC diagnostic ignored "-Wsuggest-destructor-override"
 #endif