diff --git a/include/types/wlr_matrix.h b/include/types/wlr_matrix.h
index ce599dc1b..e9af2f636 100644
--- a/include/types/wlr_matrix.h
+++ b/include/types/wlr_matrix.h
@@ -1,7 +1,40 @@
 #ifndef TYPES_WLR_MATRIX_H
 #define TYPES_WLR_MATRIX_H
 
-#include <wlr/types/wlr_matrix.h>
+#include <wayland-server-protocol.h>
+
+struct wlr_box;
+
+/** Writes the identity matrix into mat */
+void wlr_matrix_identity(float mat[static 9]);
+
+/** mat ← a × b */
+void wlr_matrix_multiply(float mat[static 9], const float a[static 9],
+	const float b[static 9]);
+
+void wlr_matrix_transpose(float mat[static 9], const float a[static 9]);
+
+/** Writes a 2D translation matrix to mat of magnitude (x, y) */
+void wlr_matrix_translate(float mat[static 9], float x, float y);
+
+/** Writes a 2D scale matrix to mat of magnitude (x, y) */
+void wlr_matrix_scale(float mat[static 9], float x, float y);
+
+/** Writes a 2D rotation matrix to mat at an angle of rad radians */
+void wlr_matrix_rotate(float mat[static 9], float rad);
+
+/** Writes a transformation matrix which applies the specified
+ *  wl_output_transform to mat */
+void wlr_matrix_transform(float mat[static 9],
+	enum wl_output_transform transform);
+
+/** Shortcut for the various matrix operations involved in projecting the
+ *  specified wlr_box onto a given orthographic projection with a given
+ *  rotation. The result is written to mat, which can be applied to each
+ *  coordinate of the box to get a new coordinate from [-1,1]. */
+void wlr_matrix_project_box(float mat[static 9], const struct wlr_box *box,
+	enum wl_output_transform transform, float rotation,
+	const float projection[static 9]);
 
 /**
  * Writes a 2D orthographic projection matrix to mat of (width, height) with a
diff --git a/include/wlr/types/wlr_matrix.h b/include/wlr/types/wlr_matrix.h
deleted file mode 100644
index 674cb5382..000000000
--- a/include/wlr/types/wlr_matrix.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * This is a deprecated interface of wlroots. It will be removed in a future
- * version.
- */
-
-#ifndef WLR_TYPES_WLR_MATRIX_H
-#define WLR_TYPES_WLR_MATRIX_H
-
-#include <wayland-server-protocol.h>
-
-struct wlr_box;
-
-/** Writes the identity matrix into mat */
-void wlr_matrix_identity(float mat[static 9]);
-
-/** mat ← a × b */
-void wlr_matrix_multiply(float mat[static 9], const float a[static 9],
-	const float b[static 9]);
-
-void wlr_matrix_transpose(float mat[static 9], const float a[static 9]);
-
-/** Writes a 2D translation matrix to mat of magnitude (x, y) */
-void wlr_matrix_translate(float mat[static 9], float x, float y);
-
-/** Writes a 2D scale matrix to mat of magnitude (x, y) */
-void wlr_matrix_scale(float mat[static 9], float x, float y);
-
-/** Writes a 2D rotation matrix to mat at an angle of rad radians */
-void wlr_matrix_rotate(float mat[static 9], float rad);
-
-/** Writes a transformation matrix which applies the specified
- *  wl_output_transform to mat */
-void wlr_matrix_transform(float mat[static 9],
-	enum wl_output_transform transform);
-
-/** Shortcut for the various matrix operations involved in projecting the
- *  specified wlr_box onto a given orthographic projection with a given
- *  rotation. The result is written to mat, which can be applied to each
- *  coordinate of the box to get a new coordinate from [-1,1]. */
-void wlr_matrix_project_box(float mat[static 9], const struct wlr_box *box,
-	enum wl_output_transform transform, float rotation,
-	const float projection[static 9]);
-
-#endif
diff --git a/render/gles2/pass.c b/render/gles2/pass.c
index 71baf2cec..96b66065e 100644
--- a/render/gles2/pass.c
+++ b/render/gles2/pass.c
@@ -4,7 +4,6 @@
 #include <time.h>
 #include <unistd.h>
 #include <wlr/render/drm_syncobj.h>
-#include <wlr/types/wlr_matrix.h>
 #include <wlr/util/transform.h>
 #include "render/egl.h"
 #include "render/gles2.h"
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c
index 4cdbf3f6e..d10311e1c 100644
--- a/render/gles2/renderer.c
+++ b/render/gles2/renderer.c
@@ -12,7 +12,6 @@
 #include <wlr/render/egl.h>
 #include <wlr/render/interface.h>
 #include <wlr/render/wlr_renderer.h>
-#include <wlr/types/wlr_matrix.h>
 #include <wlr/util/box.h>
 #include <wlr/util/log.h>
 #include <xf86drm.h>
diff --git a/types/wlr_matrix.c b/types/wlr_matrix.c
index 7b6671f57..8f8f73fa1 100644
--- a/types/wlr_matrix.c
+++ b/types/wlr_matrix.c
@@ -1,7 +1,6 @@
 #include <math.h>
 #include <string.h>
 #include <wayland-server-protocol.h>
-#include <wlr/types/wlr_matrix.h>
 #include <wlr/types/wlr_output.h>
 #include <wlr/util/box.h>
 #include "types/wlr_matrix.h"