--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -517,7 +517,6 @@
 add_library(onnx $<TARGET_OBJECTS:onnx_proto>)
 add_subdirectory(onnx)
 add_dependencies(onnx onnx_proto)
-set_target_properties(onnx PROPERTIES CXX_VISIBILITY_PRESET hidden)
 add_onnx_global_defines(onnx)
 
 if(ONNX_BUILD_PYTHON)