diff --git a/core/src/CMakeLists.txt b/core/src/CMakeLists.txt
index 1758757831..0732c66f3f 100644
--- a/core/src/CMakeLists.txt
+++ b/core/src/CMakeLists.txt
@@ -19,6 +19,7 @@ include_directories(${MILVUS_ENGINE_SRC}/grpc/gen-status)
 include_directories(${MILVUS_ENGINE_SRC}/grpc/gen-milvus)
 
 add_subdirectory(config)
+add_subdirectory(tracing)
 
 set(FOUND_OPENBLAS "unknown")
 
@@ -139,8 +140,6 @@ aux_source_directory(${MILVUS_ENGINE_SRC}/utils utils_files)
 
 aux_source_directory(${MILVUS_ENGINE_SRC}/index/archive wrapper_files)
 
-aux_source_directory(${MILVUS_ENGINE_SRC}/tracing tracing_files)
-
 aux_source_directory(${MILVUS_ENGINE_SRC}/codecs codecs_files)
 aux_source_directory(${MILVUS_ENGINE_SRC}/codecs/default codecs_default_files)
 aux_source_directory(${MILVUS_ENGINE_SRC}/codecs/snapshot codecs_snapshot_files)
@@ -284,7 +283,6 @@ target_link_libraries(metrics ${metrics_lib})
 
 
 add_library(milvus_engine STATIC ${engine_files})
-add_dependencies(milvus_engine fiu)
 target_link_libraries(milvus_engine
         knowhere
         ${third_party_libs}
@@ -292,18 +290,6 @@ target_link_libraries(milvus_engine
         metrics
         )
 
-
-add_library(tracing STATIC ${tracing_files} ${thirdparty_files})
-add_dependencies(tracing fiu)
-set(tracing_lib
-        opentracing
-        opentracing_mocktracer
-        ${grpc_lib}
-        pthread
-        z
-        )
-target_link_libraries(tracing ${tracing_lib})
-
 set(server_libs
         milvus_engine
         config
@@ -323,7 +309,6 @@ add_executable(milvus_server
         ${web_server_files}
         ${server_context_files}
         ${utils_files}
-        ${tracing_files}
         )
 
 target_link_libraries(milvus_server
diff --git a/core/src/tracing/CMakeLists.txt b/core/src/tracing/CMakeLists.txt
new file mode 100644
index 0000000000..c9106f357a
--- /dev/null
+++ b/core/src/tracing/CMakeLists.txt
@@ -0,0 +1,12 @@
+aux_source_directory(${MILVUS_ENGINE_SRC}/tracing tracing_files)
+
+add_library(tracing STATIC ${tracing_files} ${thirdparty_files})
+
+set(tracing_lib
+        opentracing
+        opentracing_mocktracer
+        ${grpc_lib}
+        pthread
+        z
+        )
+target_link_libraries(tracing ${tracing_lib})