-extern led_config_t g_led_config;
-extern rgb_config_t rgb_matrix_config;
-extern last_hit_t g_last_hit_tracker;
+#ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE_NEXUS
+RGB_MATRIX_EFFECT(SOLID_REACTIVE_NEXUS)
+#endif
+
+#ifndef DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTINEXUS
+RGB_MATRIX_EFFECT(SOLID_REACTIVE_MULTINEXUS)
+#endif
+
+#ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS