diff --git a/src/gallium/drivers/crocus/crocus_screen.c b/src/gallium/drivers/crocus/crocus_screen.c
index 43f619b1509..93ccd665acc 100644
--- a/src/gallium/drivers/crocus/crocus_screen.c
+++ b/src/gallium/drivers/crocus/crocus_screen.c
@@ -84,15 +84,6 @@
       unreachable("Unknown hardware generation");       \
    }
 
-static void
-crocus_flush_frontbuffer(struct pipe_screen *_screen,
-                         struct pipe_context *_pipe,
-                         struct pipe_resource *resource,
-                         unsigned level, unsigned layer,
-                         void *context_private, struct pipe_box *box)
-{
-}
-
 static const char *
 crocus_get_vendor(struct pipe_screen *pscreen)
 {
@@ -814,7 +805,6 @@ crocus_screen_create(int fd, const struct pipe_screen_config *config)
    pscreen->get_disk_shader_cache = crocus_get_disk_shader_cache;
    pscreen->is_format_supported = crocus_is_format_supported;
    pscreen->context_create = crocus_create_context;
-   pscreen->flush_frontbuffer = crocus_flush_frontbuffer;
    pscreen->get_timestamp = crocus_get_timestamp;
    pscreen->query_memory_info = crocus_query_memory_info;
    pscreen->get_driver_query_group_info = crocus_get_monitor_group_info;
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 994496be4ca..5ef24df77d7 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -629,22 +629,6 @@ i915_fence_finish(struct pipe_screen *screen, struct pipe_context *ctx,
  * Generic functions
  */
 
-static void
-i915_flush_frontbuffer(struct pipe_screen *screen, struct pipe_context *pipe,
-                       struct pipe_resource *resource, unsigned level,
-                       unsigned layer, void *winsys_drawable_handle,
-                       struct pipe_box *sub_box)
-{
-   /* XXX: Dummy right now. */
-   (void)screen;
-   (void)pipe;
-   (void)resource;
-   (void)level;
-   (void)layer;
-   (void)winsys_drawable_handle;
-   (void)sub_box;
-}
-
 static void
 i915_destroy_screen(struct pipe_screen *screen)
 {
@@ -694,7 +678,6 @@ i915_screen_create(struct i915_winsys *iws)
    is->iws = iws;
 
    is->base.destroy = i915_destroy_screen;
-   is->base.flush_frontbuffer = i915_flush_frontbuffer;
 
    is->base.get_name = i915_get_name;
    is->base.get_vendor = i915_get_vendor;
diff --git a/src/gallium/drivers/iris/iris_screen.c b/src/gallium/drivers/iris/iris_screen.c
index 3070cbea298..d2834a5289a 100644
--- a/src/gallium/drivers/iris/iris_screen.c
+++ b/src/gallium/drivers/iris/iris_screen.c
@@ -80,15 +80,6 @@
       unreachable("Unknown hardware generation"); \
    }
 
-static void
-iris_flush_frontbuffer(struct pipe_screen *_screen,
-                       struct pipe_context *_pipe,
-                       struct pipe_resource *resource,
-                       unsigned level, unsigned layer,
-                       void *context_private, struct pipe_box *box)
-{
-}
-
 static const char *
 iris_get_vendor(struct pipe_screen *pscreen)
 {
@@ -873,7 +864,6 @@ iris_screen_create(int fd, const struct pipe_screen_config *config)
    pscreen->get_disk_shader_cache = iris_get_disk_shader_cache;
    pscreen->is_format_supported = iris_is_format_supported;
    pscreen->context_create = iris_create_context;
-   pscreen->flush_frontbuffer = iris_flush_frontbuffer;
    pscreen->get_timestamp = iris_get_timestamp;
    pscreen->query_memory_info = iris_query_memory_info;
    pscreen->get_driver_query_group_info = iris_get_monitor_group_info;