diff --git a/src/AggregateFunctions/fuzzers/aggregate_function_state_deserialization_fuzzer.cpp b/src/AggregateFunctions/fuzzers/aggregate_function_state_deserialization_fuzzer.cpp
index 425364efb9c..9d490432c60 100644
--- a/src/AggregateFunctions/fuzzers/aggregate_function_state_deserialization_fuzzer.cpp
+++ b/src/AggregateFunctions/fuzzers/aggregate_function_state_deserialization_fuzzer.cpp
@@ -12,10 +12,33 @@
 
 #include <Interpreters/Context.h>
 
+#include <Functions/CastOverloadResolver.h>
+
 #include <AggregateFunctions/registerAggregateFunctions.h>
 
 #include <base/scope_guard.h>
 
+
+namespace DB
+{
+
+namespace ErrorCodes
+{
+    extern const int NOT_IMPLEMENTED;
+}
+
+class IFunctionBase;
+using FunctionBasePtr = std::shared_ptr<const IFunctionBase>;
+
+FunctionBasePtr createFunctionBaseCast(
+    ContextPtr, const char *, const ColumnsWithTypeAndName &, const DataTypePtr &, std::optional<CastDiagnostic>, CastType)
+{
+    throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Type conversions are not implemented for Library Bridge");
+}
+
+}
+
+
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
 {
     try
diff --git a/src/Client/ClientBase.cpp b/src/Client/ClientBase.cpp
index 767a9b2b9f9..bdee2233b27 100644
--- a/src/Client/ClientBase.cpp
+++ b/src/Client/ClientBase.cpp
@@ -2729,7 +2729,7 @@ void ClientBase::runLibFuzzer()
     for (auto & arg : fuzzer_args_holder)
         fuzzer_args.emplace_back(arg.data());
 
-    int fuzzer_argc = fuzzer_args.size();
+    int fuzzer_argc = static_cast<int>(fuzzer_args.size());
     char ** fuzzer_argv = fuzzer_args.data();
 
     LLVMFuzzerRunDriver(&fuzzer_argc, &fuzzer_argv, [](const uint8_t * data, size_t size)
diff --git a/src/Core/fuzzers/names_and_types_fuzzer.cpp b/src/Core/fuzzers/names_and_types_fuzzer.cpp
index 6fdd8703014..bc8cb7af61f 100644
--- a/src/Core/fuzzers/names_and_types_fuzzer.cpp
+++ b/src/Core/fuzzers/names_and_types_fuzzer.cpp
@@ -1,7 +1,29 @@
+#include <Core/ColumnsWithTypeAndName.h>
+#include <Functions/CastOverloadResolver.h>
 #include <Core/NamesAndTypes.h>
 #include <IO/ReadBufferFromMemory.h>
 
 
+namespace DB
+{
+
+namespace ErrorCodes
+{
+    extern const int NOT_IMPLEMENTED;
+}
+
+class IFunctionBase;
+using FunctionBasePtr = std::shared_ptr<const IFunctionBase>;
+
+FunctionBasePtr createFunctionBaseCast(
+    ContextPtr, const char *, const ColumnsWithTypeAndName &, const DataTypePtr &, std::optional<CastDiagnostic>, CastType)
+{
+    throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Type conversions are not implemented for Library Bridge");
+}
+
+}
+
+
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
 {
     try
diff --git a/src/DataTypes/fuzzers/data_type_deserialization_fuzzer.cpp b/src/DataTypes/fuzzers/data_type_deserialization_fuzzer.cpp
index 0ae325871fb..f1b03147929 100644
--- a/src/DataTypes/fuzzers/data_type_deserialization_fuzzer.cpp
+++ b/src/DataTypes/fuzzers/data_type_deserialization_fuzzer.cpp
@@ -8,11 +8,33 @@
 #include <Common/MemoryTracker.h>
 #include <Common/CurrentThread.h>
 
+#include <Functions/CastOverloadResolver.h>
+
 #include <Interpreters/Context.h>
 
 #include <AggregateFunctions/registerAggregateFunctions.h>
 
 
+namespace DB
+{
+
+namespace ErrorCodes
+{
+    extern const int NOT_IMPLEMENTED;
+}
+
+class IFunctionBase;
+using FunctionBasePtr = std::shared_ptr<const IFunctionBase>;
+
+FunctionBasePtr createFunctionBaseCast(
+    ContextPtr, const char *, const ColumnsWithTypeAndName &, const DataTypePtr &, std::optional<CastDiagnostic>, CastType)
+{
+    throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Type conversions are not implemented for Library Bridge");
+}
+
+}
+
+
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
 {
     try
diff --git a/src/Formats/fuzzers/format_fuzzer.cpp b/src/Formats/fuzzers/format_fuzzer.cpp
index 46661e4828c..4426301b6e7 100644
--- a/src/Formats/fuzzers/format_fuzzer.cpp
+++ b/src/Formats/fuzzers/format_fuzzer.cpp
@@ -21,6 +21,26 @@
 #include <AggregateFunctions/registerAggregateFunctions.h>
 
 
+namespace DB
+{
+
+namespace ErrorCodes
+{
+    extern const int NOT_IMPLEMENTED;
+}
+
+class IFunctionBase;
+using FunctionBasePtr = std::shared_ptr<const IFunctionBase>;
+
+FunctionBasePtr createFunctionBaseCast(
+    ContextPtr, const char *, const ColumnsWithTypeAndName &, const DataTypePtr &, std::optional<CastDiagnostic>, CastType)
+{
+    throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Type conversions are not implemented for Library Bridge");
+}
+
+}
+
+
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
 {
     try
diff --git a/src/Parsers/fuzzers/codegen_fuzzer/CMakeLists.txt b/src/Parsers/fuzzers/codegen_fuzzer/CMakeLists.txt
index 20fd951d390..74fdcff79f7 100644
--- a/src/Parsers/fuzzers/codegen_fuzzer/CMakeLists.txt
+++ b/src/Parsers/fuzzers/codegen_fuzzer/CMakeLists.txt
@@ -39,7 +39,7 @@ set(CMAKE_INCLUDE_CURRENT_DIR TRUE)
 
 clickhouse_add_executable(codegen_select_fuzzer ${FUZZER_SRCS})
 
-set_source_files_properties("${PROTO_SRCS}" "out.cpp" PROPERTIES COMPILE_FLAGS "-Wno-reserved-identifier")
+set_source_files_properties("${PROTO_SRCS}" "out.cpp" PROPERTIES COMPILE_FLAGS "-Wno-reserved-identifier -Wno-extra-semi-stmt -Wno-used-but-marked-unused")
 
 # contrib/libprotobuf-mutator/src/libfuzzer/libfuzzer_macro.h:143:44: error: no newline at end of file [-Werror,-Wnewline-eof]
 target_compile_options (codegen_select_fuzzer PRIVATE -Wno-newline-eof)
diff --git a/src/Parsers/fuzzers/codegen_fuzzer/codegen_select_fuzzer.cpp b/src/Parsers/fuzzers/codegen_fuzzer/codegen_select_fuzzer.cpp
index 9310d7d59f7..55daa370651 100644
--- a/src/Parsers/fuzzers/codegen_fuzzer/codegen_select_fuzzer.cpp
+++ b/src/Parsers/fuzzers/codegen_fuzzer/codegen_select_fuzzer.cpp
@@ -27,7 +27,7 @@ DEFINE_BINARY_PROTO_FUZZER(const Sentence& main)
         DB::ParserQueryWithOutput parser(input.data() + input.size());
         try
         {
-            DB::ASTPtr ast = parseQuery(parser, input.data(), input.data() + input.size(), "", 0, 0);
+            DB::ASTPtr ast = parseQuery(parser, input.data(), input.data() + input.size(), "", 0, 0, 0);
 
             DB::WriteBufferFromOStream out(std::cerr, 4096);
             DB::formatAST(*ast, out);
diff --git a/src/Parsers/fuzzers/create_parser_fuzzer.cpp b/src/Parsers/fuzzers/create_parser_fuzzer.cpp
index 854885ad33b..1d5c3e27232 100644
--- a/src/Parsers/fuzzers/create_parser_fuzzer.cpp
+++ b/src/Parsers/fuzzers/create_parser_fuzzer.cpp
@@ -14,7 +14,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
         std::string input = std::string(reinterpret_cast<const char*>(data), size);
 
         DB::ParserCreateQuery parser;
-        DB::ASTPtr ast = parseQuery(parser, input.data(), input.data() + input.size(), "", 0, 1000);
+        DB::ASTPtr ast = parseQuery(parser, input.data(), input.data() + input.size(), "", 0, 1000, 0);
 
         const UInt64 max_ast_depth = 1000;
         ast->checkDepth(max_ast_depth);
diff --git a/src/Storages/fuzzers/columns_description_fuzzer.cpp b/src/Storages/fuzzers/columns_description_fuzzer.cpp
index b703a1e7051..cb0c6168225 100644
--- a/src/Storages/fuzzers/columns_description_fuzzer.cpp
+++ b/src/Storages/fuzzers/columns_description_fuzzer.cpp
@@ -1,4 +1,26 @@
+#include <Functions/CastOverloadResolver.h>
 #include <Storages/ColumnsDescription.h>
+#include <iostream>
+
+
+namespace DB
+{
+
+namespace ErrorCodes
+{
+    extern const int NOT_IMPLEMENTED;
+}
+
+class IFunctionBase;
+using FunctionBasePtr = std::shared_ptr<const IFunctionBase>;
+
+FunctionBasePtr createFunctionBaseCast(
+    ContextPtr, const char *, const ColumnsWithTypeAndName &, const DataTypePtr &, std::optional<CastDiagnostic>, CastType)
+{
+    throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Type conversions are not implemented for Library Bridge");
+}
+
+}
 
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)