diff --git a/src/Functions/FunctionStartsEndsWith.h b/src/Functions/FunctionStartsEndsWith.h
index 71b02e3b264..b0465ecefa6 100644
--- a/src/Functions/FunctionStartsEndsWith.h
+++ b/src/Functions/FunctionStartsEndsWith.h
@@ -152,10 +152,10 @@ public:
     {
         if constexpr (UseMultitargetCode)
         {
-            registerImplementation<TargetSpecific::SSE42::FunctionStartsEndsWith<Name>>  (TargetArch::SSE42);
-            registerImplementation<TargetSpecific::AVX::FunctionStartsEndsWith<Name>>    (TargetArch::AVX);
-            registerImplementation<TargetSpecific::AVX2::FunctionStartsEndsWith<Name>>   (TargetArch::AVX2);
-            registerImplementation<TargetSpecific::AVX512F::FunctionStartsEndsWith<Name>>(TargetArch::AVX512F);
+            this->template registerImplementation<TargetSpecific::SSE42::FunctionStartsEndsWith<Name>>  (TargetArch::SSE42);
+            this->template registerImplementation<TargetSpecific::AVX::FunctionStartsEndsWith<Name>>    (TargetArch::AVX);
+            this->template registerImplementation<TargetSpecific::AVX2::FunctionStartsEndsWith<Name>>   (TargetArch::AVX2);
+            this->template registerImplementation<TargetSpecific::AVX512F::FunctionStartsEndsWith<Name>>(TargetArch::AVX512F);
         }
     }
 
diff --git a/src/Functions/FunctionsRandom.h b/src/Functions/FunctionsRandom.h
index 443f44a4e44..eeba5546fc9 100644
--- a/src/Functions/FunctionsRandom.h
+++ b/src/Functions/FunctionsRandom.h
@@ -107,13 +107,13 @@ public:
     {
         if constexpr (UseMultitargetCode)
         {
-            registerImplementation<FunctionRandomImpl<TargetSpecific::SSE42::RandImpl,   ToType, Name>>(TargetArch::SSE42);
-            registerImplementation<FunctionRandomImpl<TargetSpecific::AVX::RandImpl,     ToType, Name>>(TargetArch::AVX);
-            registerImplementation<FunctionRandomImpl<TargetSpecific::AVX2::RandImpl,    ToType, Name>>(TargetArch::AVX2);
-            registerImplementation<FunctionRandomImpl<TargetSpecific::AVX512F::RandImpl, ToType, Name>>(TargetArch::AVX512F);
+            this->template registerImplementation<FunctionRandomImpl<TargetSpecific::SSE42::RandImpl,   ToType, Name>>(TargetArch::SSE42);
+            this->template registerImplementation<FunctionRandomImpl<TargetSpecific::AVX::RandImpl,     ToType, Name>>(TargetArch::AVX);
+            this->template registerImplementation<FunctionRandomImpl<TargetSpecific::AVX2::RandImpl,    ToType, Name>>(TargetArch::AVX2);
+            this->template registerImplementation<FunctionRandomImpl<TargetSpecific::AVX512F::RandImpl, ToType, Name>>(TargetArch::AVX512F);
 
-            registerImplementation<FunctionRandomImpl<TargetSpecific::Default::RandImpl2, ToType, Name>>(TargetArch::Default);
-            registerImplementation<FunctionRandomImpl<TargetSpecific::AVX2::RandImpl2,    ToType, Name>>(TargetArch::AVX2);
+            this->template registerImplementation<FunctionRandomImpl<TargetSpecific::Default::RandImpl2, ToType, Name>>(TargetArch::Default);
+            this->template registerImplementation<FunctionRandomImpl<TargetSpecific::AVX2::RandImpl2,    ToType, Name>>(TargetArch::AVX2);
         }
     }
 
diff --git a/src/Functions/PerformanceAdaptors.h b/src/Functions/PerformanceAdaptors.h
index eaaa594a4bf..0b5e3e10104 100644
--- a/src/Functions/PerformanceAdaptors.h
+++ b/src/Functions/PerformanceAdaptors.h
@@ -172,7 +172,7 @@ template <typename DefaultFunction>
 class FunctionPerformanceAdaptor : public FunctionExecutor<DefaultFunction>
 {
 public:
-    using BaseFunctionPtr = FunctionExecutor<DefaultFunction>::BaseFunctionPtr;
+    using BaseFunctionPtr = typename FunctionExecutor<DefaultFunction>::BaseFunctionPtr;
 
     template <typename ...Params>
     FunctionPerformanceAdaptor(const Context & context_, Params&&... params)
diff --git a/src/Functions/RandXorshift.h b/src/Functions/RandXorshift.h
index b74fdeecbef..8713d85fdbd 100644
--- a/src/Functions/RandXorshift.h
+++ b/src/Functions/RandXorshift.h
@@ -38,8 +38,8 @@ public:
     {
         if constexpr (UseMultitargetCode)
         {
-            registerImplementation<FunctionRandomImpl<TargetSpecific::AVX2::RandXorshiftImpl, ToType, Name>>(TargetArch::AVX2);
-            registerImplementation<FunctionRandomImpl<TargetSpecific::AVX2::RandXorshiftImpl2, ToType, Name>>(TargetArch::AVX2);
+            this->template registerImplementation<FunctionRandomImpl<TargetSpecific::AVX2::RandXorshiftImpl, ToType, Name>>(TargetArch::AVX2);
+            this->template registerImplementation<FunctionRandomImpl<TargetSpecific::AVX2::RandXorshiftImpl2, ToType, Name>>(TargetArch::AVX2);
         }
     }
 
diff --git a/src/Functions/TargetSpecific.h b/src/Functions/TargetSpecific.h
index 0c9eb7357d1..e69bd22f271 100644
--- a/src/Functions/TargetSpecific.h
+++ b/src/Functions/TargetSpecific.h
@@ -112,6 +112,7 @@ constexpr bool UseMultitargetCode = true;
 #define DECLARE_SSE42_SPECIFIC_CODE(...) \
 BEGIN_SSE42_SPECIFIC_CODE \
 namespace TargetSpecific::SSE42 { \
+    void __dummy_function_clang(); \
     using namespace DB::TargetSpecific::SSE42; \
     __VA_ARGS__ \
 } \
@@ -120,6 +121,7 @@ END_TARGET_SPECIFIC_CODE
 #define DECLARE_AVX_SPECIFIC_CODE(...) \
 BEGIN_AVX_SPECIFIC_CODE \
 namespace TargetSpecific::AVX { \
+    void __dummy_function_clang(); \
     using namespace DB::TargetSpecific::AVX; \
     __VA_ARGS__ \
 } \
@@ -128,6 +130,7 @@ END_TARGET_SPECIFIC_CODE
 #define DECLARE_AVX2_SPECIFIC_CODE(...) \
 BEGIN_AVX2_SPECIFIC_CODE \
 namespace TargetSpecific::AVX2 { \
+    void __dummy_function_clang(); \
     using namespace DB::TargetSpecific::AVX2; \
     __VA_ARGS__ \
 } \
@@ -136,6 +139,7 @@ END_TARGET_SPECIFIC_CODE
 #define DECLARE_AVX512F_SPECIFIC_CODE(...) \
 BEGIN_AVX512F_SPECIFIC_CODE \
 namespace TargetSpecific::AVX512F { \
+    void __dummy_function_clang(); \
     using namespace DB::TargetSpecific::AVX512F; \
     __VA_ARGS__ \
 } \