diff --git a/include/wlr/render/interface.h b/include/wlr/render/interface.h
index 06f4083f..e8191ac2 100644
--- a/include/wlr/render/interface.h
+++ b/include/wlr/render/interface.h
@@ -25,13 +25,6 @@ struct wlr_renderer_impl {
 	bool (*begin)(struct wlr_renderer *renderer, uint32_t width,
 		uint32_t height);
 	void (*end)(struct wlr_renderer *renderer);
-	void (*clear)(struct wlr_renderer *renderer, const float color[static 4]);
-	void (*scissor)(struct wlr_renderer *renderer, struct wlr_box *box);
-	bool (*render_subtexture_with_matrix)(struct wlr_renderer *renderer,
-		struct wlr_texture *texture, const struct wlr_fbox *box,
-		const float matrix[static 9], float alpha);
-	void (*render_quad_with_matrix)(struct wlr_renderer *renderer,
-		const float color[static 4], const float matrix[static 9]);
 	const uint32_t *(*get_shm_texture_formats)(
 		struct wlr_renderer *renderer, size_t *len);
 	const struct wlr_drm_format_set *(*get_dmabuf_texture_formats)(
diff --git a/include/wlr/render/wlr_renderer.h b/include/wlr/render/wlr_renderer.h
index 450d61e2..282ee4bb 100644
--- a/include/wlr/render/wlr_renderer.h
+++ b/include/wlr/render/wlr_renderer.h
@@ -72,43 +72,7 @@ bool wlr_renderer_begin_with_buffer(struct wlr_renderer *r,
  * End a render pass.
  */
 void wlr_renderer_end(struct wlr_renderer *r);
-/**
- * Clear the viewport with the provided color.
- */
-void wlr_renderer_clear(struct wlr_renderer *r, const float color[static 4]);
-/**
- * Defines a scissor box. Only pixels that lie within the scissor box can be
- * modified by drawing functions. Providing a NULL `box` disables the scissor
- * box.
- */
-void wlr_renderer_scissor(struct wlr_renderer *r, struct wlr_box *box);
-/**
- * Renders the requested texture.
- */
-bool wlr_render_texture(struct wlr_renderer *r, struct wlr_texture *texture,
-	const float projection[static 9], int x, int y, float alpha);
-/**
- * Renders the requested texture using the provided matrix.
- */
-bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
-	struct wlr_texture *texture, const float matrix[static 9], float alpha);
-/**
- * Renders the requested texture using the provided matrix, after cropping it
- * to the provided rectangle.
- */
-bool wlr_render_subtexture_with_matrix(struct wlr_renderer *r,
-	struct wlr_texture *texture, const struct wlr_fbox *box,
-	const float matrix[static 9], float alpha);
-/**
- * Renders a solid rectangle in the specified color.
- */
-void wlr_render_rect(struct wlr_renderer *r, const struct wlr_box *box,
-	const float color[static 4], const float projection[static 9]);
-/**
- * Renders a solid quadrangle in the specified color with the specified matrix.
- */
-void wlr_render_quad_with_matrix(struct wlr_renderer *r,
-	const float color[static 4], const float matrix[static 9]);
+
 /**
  * Get the shared-memory formats supporting import usage. Buffers allocated
  * with a format from this list may be imported via wlr_texture_from_pixels().
diff --git a/render/wlr_renderer.c b/render/wlr_renderer.c
index fe4429ee..449d9641 100644
--- a/render/wlr_renderer.c
+++ b/render/wlr_renderer.c
@@ -33,13 +33,7 @@
 
 void wlr_renderer_init(struct wlr_renderer *renderer,
 		const struct wlr_renderer_impl *impl) {
-	if (!impl->begin_buffer_pass) {
-		assert(impl->begin);
-		assert(impl->clear);
-		assert(impl->scissor);
-		assert(impl->render_subtexture_with_matrix);
-		assert(impl->render_quad_with_matrix);
-	}
+	assert(impl->begin_buffer_pass);
 	assert(impl->get_shm_texture_formats);
 	assert(impl->get_render_buffer_caps);
 
@@ -114,72 +108,6 @@ void wlr_renderer_end(struct wlr_renderer *r) {
 	}
 }
 
-void wlr_renderer_clear(struct wlr_renderer *r, const float color[static 4]) {
-	assert(r->rendering);
-	r->impl->clear(r, color);
-}
-
-void wlr_renderer_scissor(struct wlr_renderer *r, struct wlr_box *box) {
-	assert(r->rendering);
-	r->impl->scissor(r, box);
-}
-
-bool wlr_render_texture(struct wlr_renderer *r, struct wlr_texture *texture,
-		const float projection[static 9], int x, int y, float alpha) {
-	struct wlr_box box = {
-		.x = x,
-		.y = y,
-		.width = texture->width,
-		.height = texture->height,
-	};
-
-	float matrix[9];
-	wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
-		projection);
-
-	return wlr_render_texture_with_matrix(r, texture, matrix, alpha);
-}
-
-bool wlr_render_texture_with_matrix(struct wlr_renderer *r,
-		struct wlr_texture *texture, const float matrix[static 9],
-		float alpha) {
-	struct wlr_fbox box = {
-		.x = 0,
-		.y = 0,
-		.width = texture->width,
-		.height = texture->height,
-	};
-	return wlr_render_subtexture_with_matrix(r, texture, &box, matrix, alpha);
-}
-
-bool wlr_render_subtexture_with_matrix(struct wlr_renderer *r,
-		struct wlr_texture *texture, const struct wlr_fbox *box,
-		const float matrix[static 9], float alpha) {
-	assert(r->rendering);
-	assert(texture->renderer == r);
-	return r->impl->render_subtexture_with_matrix(r, texture,
-		box, matrix, alpha);
-}
-
-void wlr_render_rect(struct wlr_renderer *r, const struct wlr_box *box,
-		const float color[static 4], const float projection[static 9]) {
-	if (box->width == 0 || box->height == 0) {
-		return;
-	}
-	assert(box->width > 0 && box->height > 0);
-	float matrix[9];
-	wlr_matrix_project_box(matrix, box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
-		projection);
-
-	wlr_render_quad_with_matrix(r, color, matrix);
-}
-
-void wlr_render_quad_with_matrix(struct wlr_renderer *r,
-		const float color[static 4], const float matrix[static 9]) {
-	assert(r->rendering);
-	r->impl->render_quad_with_matrix(r, color, matrix);
-}
-
 const uint32_t *wlr_renderer_get_shm_texture_formats(struct wlr_renderer *r,
 		size_t *len) {
 	return r->impl->get_shm_texture_formats(r, len);