diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h
index ea63c6c7c66f61a36dc9c866f85298d8865cd6bf..5f6aef0dca59e5fbef928f19429c69b4351f6f63 100644
--- a/drivers/gpu/drm/armada/armada_drm.h
+++ b/drivers/gpu/drm/armada/armada_drm.h
@@ -46,8 +46,6 @@ void armada_drm_vbl_event_add(struct armada_crtc *,
 	struct armada_vbl_event *);
 void armada_drm_vbl_event_remove(struct armada_crtc *,
 	struct armada_vbl_event *);
-void armada_drm_vbl_event_remove_unlocked(struct armada_crtc *,
-	struct armada_vbl_event *);
 #define armada_drm_vbl_event_init(_e, _f, _d) do {	\
 	struct armada_vbl_event *__e = _e;		\
 	INIT_LIST_HEAD(&__e->node);			\
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index b01420c84864b511e2b79c05777b0fb92ce02a92..225034b74cda7554cb6e8597c844dd77aa36558a 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -253,16 +253,6 @@ void armada_drm_vbl_event_remove(struct armada_crtc *dcrtc,
 	}
 }
 
-void armada_drm_vbl_event_remove_unlocked(struct armada_crtc *dcrtc,
-	struct armada_vbl_event *evt)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&dcrtc->irq_lock, flags);
-	armada_drm_vbl_event_remove(dcrtc, evt);
-	spin_unlock_irqrestore(&dcrtc->irq_lock, flags);
-}
-
 /* These are called under the vbl_lock. */
 static int armada_drm_enable_vblank(struct drm_device *dev, int crtc)
 {
diff --git a/drivers/gpu/drm/armada/armada_output.c b/drivers/gpu/drm/armada/armada_output.c
index abbc309fe539e9d917464980b344e30ed3a1d58f..5a9823178291f13bb7bad1cd0aaf5e14d8c4f28d 100644
--- a/drivers/gpu/drm/armada/armada_output.c
+++ b/drivers/gpu/drm/armada/armada_output.c
@@ -72,22 +72,6 @@ static const struct drm_connector_funcs armada_drm_conn_funcs = {
 	.set_property	= armada_drm_connector_set_property,
 };
 
-void armada_drm_encoder_prepare(struct drm_encoder *encoder)
-{
-	encoder_helper_funcs(encoder)->dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-void armada_drm_encoder_commit(struct drm_encoder *encoder)
-{
-	encoder_helper_funcs(encoder)->dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-bool armada_drm_encoder_mode_fixup(struct drm_encoder *encoder,
-	const struct drm_display_mode *mode, struct drm_display_mode *adjusted)
-{
-	return true;
-}
-
 /* Shouldn't this be a generic helper function? */
 int armada_drm_slave_encoder_mode_valid(struct drm_connector *conn,
 	struct drm_display_mode *mode)
diff --git a/drivers/gpu/drm/armada/armada_output.h b/drivers/gpu/drm/armada/armada_output.h
index 3c4023e142d06fab06665d07b691b50db91a1cd0..f448785753e8d0a9029051ed01676b521e6e6ef2 100644
--- a/drivers/gpu/drm/armada/armada_output.h
+++ b/drivers/gpu/drm/armada/armada_output.h
@@ -21,12 +21,6 @@ struct armada_output_type {
 
 struct drm_encoder *armada_drm_connector_encoder(struct drm_connector *conn);
 
-void armada_drm_encoder_prepare(struct drm_encoder *encoder);
-void armada_drm_encoder_commit(struct drm_encoder *encoder);
-
-bool armada_drm_encoder_mode_fixup(struct drm_encoder *encoder,
-	const struct drm_display_mode *mode, struct drm_display_mode *adj);
-
 int armada_drm_slave_encoder_mode_valid(struct drm_connector *conn,
 	struct drm_display_mode *mode);