diff --git a/internal/core/src/common/CMakeLists.txt b/internal/core/src/common/CMakeLists.txt
index 0c2c0391a9..659b45b047 100644
--- a/internal/core/src/common/CMakeLists.txt
+++ b/internal/core/src/common/CMakeLists.txt
@@ -20,6 +20,6 @@ add_library(milvus_common SHARED
         ${COMMON_SRC}
         )
 
-target_link_libraries(milvus_common milvus_utils milvus_config log knowhere milvus_proto yaml-cpp )
+target_link_libraries(milvus_common milvus_utils milvus_config milvus_log knowhere milvus_proto yaml-cpp )
 
 install(TARGETS milvus_common DESTINATION lib)
diff --git a/internal/core/src/config/CMakeLists.txt b/internal/core/src/config/CMakeLists.txt
index 8b6169aa8b..08ed267216 100644
--- a/internal/core/src/config/CMakeLists.txt
+++ b/internal/core/src/config/CMakeLists.txt
@@ -18,9 +18,8 @@ set(CONFIG_SRC
         ConfigKnowhere.cpp
         )
 
-add_library(milvus_config
-        ${CONFIG_SRC}
-        )
+add_library(milvus_config STATIC ${CONFIG_SRC})
+
 target_link_libraries(milvus_config
         knowhere
         milvus_proto
diff --git a/internal/core/src/exceptions/CMakeLists.txt b/internal/core/src/exceptions/CMakeLists.txt
index 78be5ba8f5..5daeb4bb22 100644
--- a/internal/core/src/exceptions/CMakeLists.txt
+++ b/internal/core/src/exceptions/CMakeLists.txt
@@ -18,5 +18,6 @@ set(exceptions_files
     EasyAssert.cpp
 )
 
-add_library(milvus_exceptions ${exceptions_files})
+add_library(milvus_exceptions STATIC ${exceptions_files})
+
 target_link_libraries(milvus_exceptions PRIVATE milvus_proto)
diff --git a/internal/core/src/exceptions/EasyAssert.cpp b/internal/core/src/exceptions/EasyAssert.cpp
index 2ae1b19ba3..bba64dd456 100644
--- a/internal/core/src/exceptions/EasyAssert.cpp
+++ b/internal/core/src/exceptions/EasyAssert.cpp
@@ -54,13 +54,4 @@ EasyAssertInfo(bool value,
     }
 }
 
-[[noreturn]] void
-ThrowWithTrace(const std::exception& exception) {
-    if (typeid(exception) == typeid(SegcoreError)) {
-        throw exception;
-    }
-    auto err_msg = exception.what() + std::string("\n") + EasyStackTrace();
-    throw SegcoreError(ErrorCodeEnum::UnexpectedError, err_msg);
-}
-
 }  // namespace milvus::impl
diff --git a/internal/core/src/exceptions/EasyAssert.h b/internal/core/src/exceptions/EasyAssert.h
index 7c8c47c7fb..b79a8172b0 100644
--- a/internal/core/src/exceptions/EasyAssert.h
+++ b/internal/core/src/exceptions/EasyAssert.h
@@ -35,9 +35,6 @@ EasyAssertInfo(bool value,
                std::string_view extra_info,
                ErrorCodeEnum error_code = ErrorCodeEnum::UnexpectedError);
 
-[[noreturn]] void
-ThrowWithTrace(const std::exception& exception);
-
 }  // namespace impl
 
 class SegcoreError : public std::runtime_error {
diff --git a/internal/core/src/log/CMakeLists.txt b/internal/core/src/log/CMakeLists.txt
index 98577f3442..518a56e27e 100644
--- a/internal/core/src/log/CMakeLists.txt
+++ b/internal/core/src/log/CMakeLists.txt
@@ -16,6 +16,6 @@ set(LOG_FILES   ${MILVUS_ENGINE_SRC}/log/Log.cpp
                 ${MILVUS_THIRDPARTY_SRC}/easyloggingpp/easylogging++.h
                 )
 
-add_library(log STATIC ${LOG_FILES})
-set_target_properties(log PROPERTIES RULE_LAUNCH_COMPILE "")
-set_target_properties(log PROPERTIES RULE_LAUNCH_LINK "")
+add_library(milvus_log STATIC ${LOG_FILES})
+set_target_properties(milvus_log PROPERTIES RULE_LAUNCH_COMPILE "")
+set_target_properties(milvus_log PROPERTIES RULE_LAUNCH_LINK "")
diff --git a/internal/core/src/utils/Types.cpp b/internal/core/src/utils/Types.cpp
deleted file mode 100644
index ab50d1ec72..0000000000
--- a/internal/core/src/utils/Types.cpp
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (C) 2019-2020 Zilliz. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
-// with the License. You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software distributed under the License
-// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
-// or implied. See the License for the specific language governing permissions and limitations under the License
-
-#include "Types.h"
diff --git a/internal/core/src/utils/Types.h b/internal/core/src/utils/Types.h
index 4dff86801e..2a856507f1 100644
--- a/internal/core/src/utils/Types.h
+++ b/internal/core/src/utils/Types.h
@@ -11,8 +11,6 @@
 
 #pragma once
 
-// #include <faiss/Index.h>
-
 #include <cstdint>
 #include <map>
 #include <memory>
diff --git a/internal/core/unittest/CMakeLists.txt b/internal/core/unittest/CMakeLists.txt
index a14e992885..da6accce37 100644
--- a/internal/core/unittest/CMakeLists.txt
+++ b/internal/core/unittest/CMakeLists.txt
@@ -62,7 +62,7 @@ if (LINUX)
             milvus_segcore
             milvus_indexbuilder
             milvus_index
-            log
+            milvus_log
             pthread
             )
     install(TARGETS index_builder_test DESTINATION unittest)
@@ -93,7 +93,7 @@ target_link_libraries(all_tests
         milvus_segcore
         milvus_indexbuilder
         milvus_index
-        log
+        milvus_log
         pthread
         )
 
diff --git a/internal/core/unittest/bench/CMakeLists.txt b/internal/core/unittest/bench/CMakeLists.txt
index adbb916d13..defdc125a2 100644
--- a/internal/core/unittest/bench/CMakeLists.txt
+++ b/internal/core/unittest/bench/CMakeLists.txt
@@ -24,7 +24,7 @@ set(indexbuilder_bench_srcs
 add_executable(all_bench ${bench_srcs})
 target_link_libraries(all_bench
         milvus_segcore
-        log
+        milvus_log
         pthread
         )
 
@@ -35,7 +35,7 @@ target_link_libraries(indexbuilder_bench
         milvus_segcore
         milvus_indexbuilder
         milvus_index
-        log
+        milvus_log
         pthread
         knowhere
         milvus_utils