diff --git a/data_from_portwine/scripts/functions_helper b/data_from_portwine/scripts/functions_helper
index 188e6c5..5578068 100755
--- a/data_from_portwine/scripts/functions_helper
+++ b/data_from_portwine/scripts/functions_helper
@@ -1838,14 +1838,9 @@ pw_mangohud_check () {
             print_info "System MangoHud is enabled"
             export PW_MANGOHUD_SLR='MANGOHUD=1'
         fi
-        MANGOHUD_LIB_NAME="libMangoHud.so"
-        if [[ "${PW_VULKAN_USE}" = "0" ]] ; then
-            MANGOHUD_LIB_NAME="libMangoHud_dlsym.so:libMangoHud_opengl.so:${MANGOHUD_LIB_NAME}"
-        fi
-        if [[ -n "${PW_LD_PRELOAD}" ]]
-        then export PW_LD_PRELOAD="${PW_LD_PRELOAD}:${MANGOHUD_LIB_NAME}"
-        else export PW_LD_PRELOAD="${MANGOHUD_LIB_NAME}"
-        fi
+        # TODO: need to fix work for OpenGL...
+        # MANGOHUD_LIB_NAME="libMangoHud_shim.so:libMangoHud_opengl.so"
+        # export PW_LD_PRELOAD="${PW_LD_PRELOAD:+$PW_LD_PRELOAD:}${MANGOHUD_LIB_NAME}"
     else
         export PW_MANGOHUD_SLR=''
         print_info "MangoHud is disabled"
diff --git a/data_from_portwine/scripts/start.sh b/data_from_portwine/scripts/start.sh
index ff11d95..f31d3dc 100755
--- a/data_from_portwine/scripts/start.sh
+++ b/data_from_portwine/scripts/start.sh
@@ -101,7 +101,7 @@ else
     unset PW_GUI_DISABLED_CS
 fi
 
-unset MANGOHUD MANGOHUD_DLSYM PW_NO_ESYNC PW_NO_FSYNC PW_VULKAN_USE WINEDLLOVERRIDES PW_NO_WRITE_WATCH PW_YAD_SET PW_ICON_FOR_YAD
+unset MANGOHUD PW_NO_ESYNC PW_NO_FSYNC PW_VULKAN_USE WINEDLLOVERRIDES PW_NO_WRITE_WATCH PW_YAD_SET PW_ICON_FOR_YAD
 unset PW_CHECK_AUTOINSTALL PW_VKBASALT_EFFECTS PW_VKBASALT_FFX_CAS PORTWINE_DB PORTWINE_DB_FILE RADV_PERFTEST
 unset CHK_SYMLINK_FILE PW_MESA_GL_VERSION_OVERRIDE PW_VKD3D_FEATURE_LEVEL PATH_TO_GAME PW_START_DEBUG PORTPROTON_NAME PW_PATH
 unset PW_PREFIX_NAME VULKAN_MOD PW_WINE_VER PW_ADD_TO_ARGS_IN_RUNTIME PW_GAMEMODERUN_SLR PW_WINE_CPU_TOPOLOGY