diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3096e92..890b5a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -111,8 +111,11 @@ if(RK3588_ENABLE_RGA)
     else()
         message(STATUS "Found librga: ${RK_RGA_LIB}")
         target_compile_definitions(media-server PRIVATE RK3588_ENABLE_RGA)
-        target_include_directories(media-server PRIVATE ${RK_RGA_INCLUDE_DIR})
+        target_include_directories(media-server SYSTEM PRIVATE ${RK_RGA_INCLUDE_DIR})
         target_link_libraries(media-server PRIVATE ${RK_RGA_LIB})
+        if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+            target_compile_options(media-server PRIVATE -Wno-pedantic)
+        endif()
     endif()
 endif()
 
diff --git a/plugins/CMakeLists.txt b/plugins/CMakeLists.txt
index 7ad7c5b..e1fe89b 100644
--- a/plugins/CMakeLists.txt
+++ b/plugins/CMakeLists.txt
@@ -224,8 +224,11 @@ if(RK3588_ENABLE_FFMPEG)
 endif()
 if(RK3588_ENABLE_RGA AND RK_RGA_LIB)
     target_compile_definitions(preprocess PRIVATE RK3588_ENABLE_RGA)
-    target_include_directories(preprocess PRIVATE ${RK_RGA_INCLUDE_DIR})
+    target_include_directories(preprocess SYSTEM PRIVATE ${RK_RGA_INCLUDE_DIR})
     target_link_libraries(preprocess PRIVATE ${RK_RGA_LIB})
+    if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+        target_compile_options(preprocess PRIVATE -Wno-pedantic)
+    endif()
 endif()
 set_target_properties(preprocess PROPERTIES
     OUTPUT_NAME "preprocess"
@@ -385,8 +388,11 @@ target_include_directories(osd PRIVATE ${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURC
 target_link_libraries(osd PRIVATE project_options Threads::Threads)
 if(RK3588_ENABLE_RGA AND RK_RGA_LIB)
     target_compile_definitions(osd PRIVATE RK3588_ENABLE_RGA)
-    target_include_directories(osd PRIVATE ${RK_RGA_INCLUDE_DIR})
+    target_include_directories(osd SYSTEM PRIVATE ${RK_RGA_INCLUDE_DIR})
     target_link_libraries(osd PRIVATE ${RK_RGA_LIB})
+    if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
+        target_compile_options(osd PRIVATE -Wno-pedantic)
+    endif()
 endif()
 set_target_properties(osd PROPERTIES
     OUTPUT_NAME "osd"
diff --git a/src/ai_scheduler.cpp b/src/ai_scheduler.cpp
index 5101eac..ec3b91c 100644
--- a/src/ai_scheduler.cpp
+++ b/src/ai_scheduler.cpp
@@ -57,26 +57,6 @@ int DefaultContextPoolSize() {
     return ClampInt(v, 1, 16);
 }
 
-uint32_t TensorTypeSizeBytes(rknn_tensor_type t) {
-    switch (t) {
-        case RKNN_TENSOR_INT8:
-        case RKNN_TENSOR_UINT8:
-            return 1;
-        case RKNN_TENSOR_INT16:
-        case RKNN_TENSOR_UINT16:
-        case RKNN_TENSOR_FLOAT16:
-            return 2;
-        case RKNN_TENSOR_INT32:
-        case RKNN_TENSOR_UINT32:
-        case RKNN_TENSOR_FLOAT32:
-            return 4;
-        case RKNN_TENSOR_INT64:
-            return 8;
-        default:
-            return 1;
-    }
-}
-
 }  // namespace
 #endif
 
diff --git a/src/utils/config_expand.cpp b/src/utils/config_expand.cpp
index fee11bb..7653ac4 100644
--- a/src/utils/config_expand.cpp
+++ b/src/utils/config_expand.cpp
@@ -70,10 +70,6 @@ SimpleJson DeepMerge(const SimpleJson& base, const SimpleJson& override_v) {
     return SimpleJson(std::move(merged));
 }
 
-bool HasKey(const SimpleJson& obj, const std::string& key) {
-    return obj.IsObject() && obj.AsObject().find(key) != obj.AsObject().end();
-}
-
 bool ExpandInstances(const SimpleJson& in_root, SimpleJson::Array& out_graphs, std::string& err) {
     const SimpleJson* templates_cfg = in_root.Find("templates");
     const SimpleJson* instances_cfg = in_root.Find("instances");