--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5821,7 +5821,6 @@ void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
 				    struct intel_load_detect_pipe *old)
 {
 	struct drm_encoder *encoder = &intel_encoder->base;
-	struct drm_device *dev = encoder->dev;
 	struct drm_crtc *crtc = encoder->crtc;
 	struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
 	struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
@@ -5832,7 +5831,6 @@ void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder,
 
 	if (old->load_detect_temp) {
 		connector->encoder = NULL;
-		drm_helper_disable_unused_functions(dev);
 
 		if (old->release_fb)
 			old->release_fb->funcs->destroy(old->release_fb);