diff --git a/legacy/elementary/src/examples/evas3d_map_example.c b/legacy/elementary/src/examples/evas3d_map_example.c
index 692d835963..b1cc2477e8 100644
--- a/legacy/elementary/src/examples/evas3d_map_example.c
+++ b/legacy/elementary/src/examples/evas3d_map_example.c
@@ -1185,7 +1185,7 @@ elm_main(int argc, char **argv)
 
    elm_app_info_set(elm_main, "elementary", "examples/evas3d_map_example.edj");
 
-   elm_config_preferred_engine_set("opengl_x11");
+   elm_config_accel_preference_set("3d");
 
    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 
diff --git a/legacy/elementary/src/examples/evas3d_object_on_button_example.c b/legacy/elementary/src/examples/evas3d_object_on_button_example.c
index bcf642662c..b578e58aff 100644
--- a/legacy/elementary/src/examples/evas3d_object_on_button_example.c
+++ b/legacy/elementary/src/examples/evas3d_object_on_button_example.c
@@ -296,7 +296,7 @@ elm_main(int argc, char **argv)
 {
    Scene_Data data;
 
-   elm_config_preferred_engine_set("opengl_x11");
+   elm_config_accel_preference_set("3d");
    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 
    win = elm_win_util_standard_add("evas3d-object-button", "A button on the 3d object");
diff --git a/legacy/elementary/src/examples/evas3d_scene_on_button_example.c b/legacy/elementary/src/examples/evas3d_scene_on_button_example.c
index 55a567e850..f1f014ba99 100644
--- a/legacy/elementary/src/examples/evas3d_scene_on_button_example.c
+++ b/legacy/elementary/src/examples/evas3d_scene_on_button_example.c
@@ -273,7 +273,7 @@ elm_main(int argc, char **argv)
 {
    Scene_Data data;
 
-   elm_config_preferred_engine_set("opengl_x11");
+   elm_config_accel_preference_set("3d");
    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 
    win = elm_win_util_standard_add("evas3d-scene-button", "3d object on the button");
diff --git a/legacy/elementary/src/examples/sphere_hunter/evas_3d_sphere_hunter.c b/legacy/elementary/src/examples/sphere_hunter/evas_3d_sphere_hunter.c
index 1174b671b9..5036e29e84 100644
--- a/legacy/elementary/src/examples/sphere_hunter/evas_3d_sphere_hunter.c
+++ b/legacy/elementary/src/examples/sphere_hunter/evas_3d_sphere_hunter.c
@@ -854,7 +854,7 @@ elm_main(int argc, char **argv)
    Scene_Data data;
    Eina_Bool r = EINA_TRUE;
 
-   setenv("ELM_ENGINE", "opengl_x11", 1);
+   setenv("ELM_ACCEL", "3d", 1);
    elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
 
    win = elm_win_util_standard_add("__WIN__", "Sphere Hunter");