diff --git a/include/wlr/types/wlr_buffer.h b/include/wlr/types/wlr_buffer.h
index 046cd392..edf53144 100644
--- a/include/wlr/types/wlr_buffer.h
+++ b/include/wlr/types/wlr_buffer.h
@@ -118,8 +118,7 @@ bool wlr_buffer_get_shm(struct wlr_buffer *buffer,
  *
  * The provided wl_resource must be a wl_buffer.
  */
-struct wlr_buffer *wlr_buffer_from_resource(struct wlr_renderer *renderer,
-	struct wl_resource *resource);
+struct wlr_buffer *wlr_buffer_from_resource(struct wl_resource *resource);
 
 /**
  * A client buffer.
diff --git a/types/wlr_buffer.c b/types/wlr_buffer.c
index d44c2b4e..c7f78fd7 100644
--- a/types/wlr_buffer.c
+++ b/types/wlr_buffer.c
@@ -159,8 +159,7 @@ static bool buffer_is_shm_client_buffer(struct wlr_buffer *buffer);
 static struct wlr_shm_client_buffer *shm_client_buffer_from_buffer(
 	struct wlr_buffer *buffer);
 
-struct wlr_buffer *wlr_buffer_from_resource(struct wlr_renderer *renderer,
-		struct wl_resource *resource) {
+struct wlr_buffer *wlr_buffer_from_resource(struct wl_resource *resource) {
 	assert(resource && wlr_resource_is_buffer(resource));
 
 	struct wlr_buffer *buffer;
diff --git a/types/wlr_surface.c b/types/wlr_surface.c
index 43e26c13..5d44c001 100644
--- a/types/wlr_surface.c
+++ b/types/wlr_surface.c
@@ -172,8 +172,7 @@ static void surface_state_finalize(struct wlr_surface *surface,
 	if ((state->committed & WLR_SURFACE_STATE_BUFFER)) {
 		if (state->buffer_resource) {
 			wlr_buffer_unlock(state->buffer);
-			state->buffer = wlr_buffer_from_resource(surface->renderer,
-					state->buffer_resource);
+			state->buffer = wlr_buffer_from_resource(state->buffer_resource);
 			if (!state->buffer) {
 				wl_resource_post_error(state->buffer_resource, 0,
 						"unknown buffer type");