diff --git a/openmp/libomptarget/plugins/CMakeLists.txt b/openmp/libomptarget/plugins/CMakeLists.txt
--- a/openmp/libomptarget/plugins/CMakeLists.txt
+++ b/openmp/libomptarget/plugins/CMakeLists.txt
@@ -52,7 +52,8 @@
     install(TARGETS "omptarget.rtl.${tmachine_libname}"
       LIBRARY DESTINATION "${OPENMP_INSTALL_LIBDIR}")
     set_target_properties("omptarget.rtl.${tmachine_libname}" PROPERTIES
-      INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/..")
+      INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/.."
+      CXX_VISIBILITY_PRESET protected)
 
     target_include_directories( "omptarget.rtl.${tmachine_libname}" PRIVATE
       ${LIBOMPTARGET_INCLUDE_DIR}
diff --git a/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt b/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
--- a/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
+++ b/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
@@ -102,7 +102,8 @@
 # Install plugin under the lib destination folder.
 install(TARGETS omptarget.rtl.amdgpu LIBRARY DESTINATION "${OPENMP_INSTALL_LIBDIR}")
 set_target_properties(omptarget.rtl.amdgpu PROPERTIES 
-  INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/..")
+  INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/.."
+  CXX_VISIBILITY_PRESET protected)
 
 # Report to the parent scope that we are building a plugin for hsa.
 # This controls whether tests are run for the nvptx offloading target
diff --git a/openmp/libomptarget/plugins/cuda/CMakeLists.txt b/openmp/libomptarget/plugins/cuda/CMakeLists.txt
--- a/openmp/libomptarget/plugins/cuda/CMakeLists.txt
+++ b/openmp/libomptarget/plugins/cuda/CMakeLists.txt
@@ -87,7 +87,8 @@
 # Install plugin under the lib destination folder.
 install(TARGETS omptarget.rtl.cuda LIBRARY DESTINATION "${OPENMP_INSTALL_LIBDIR}")
 set_target_properties(omptarget.rtl.cuda PROPERTIES 
-  INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/..")
+  INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/.."
+  CXX_VISIBILITY_PRESET protected)
 
 target_include_directories(omptarget.rtl.cuda PRIVATE
   ${LIBOMPTARGET_INCLUDE_DIR}
diff --git a/openmp/libomptarget/plugins/ve/CMakeLists.txt b/openmp/libomptarget/plugins/ve/CMakeLists.txt
--- a/openmp/libomptarget/plugins/ve/CMakeLists.txt
+++ b/openmp/libomptarget/plugins/ve/CMakeLists.txt
@@ -44,7 +44,8 @@
   # Install plugin under the lib destination folder.
   install(TARGETS  "omptarget.rtl.${tmachine_libname}" LIBRARY DESTINATION "${OPENMP_INSTALL_LIBDIR}")
   set_target_properties("omptarget.rtl.${tmachine_libname}" PROPERTIES 
-    INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/..")
+    INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN:${CMAKE_CURRENT_BINARY_DIR}/.."
+    CXX_VISIBILITY_PRESET protected)
 
   target_include_directories("omptarget.rtl.${tmachine_libname}" PRIVATE
     ${LIBOMPTARGET_INCLUDE_DIR}