diff --git a/cogl/cogl/cogl-matrix.c b/cogl/cogl/cogl-matrix.c
index 02c38344e..06cded0f8 100644
--- a/cogl/cogl/cogl-matrix.c
+++ b/cogl/cogl/cogl-matrix.c
@@ -1476,19 +1476,6 @@ _cogl_matrix_orthographic (CoglMatrix *matrix,
                                      MAT_FLAG_TRANSLATION));
 }
 
-void
-cogl_matrix_ortho (CoglMatrix *matrix,
-                   float left,
-                   float right,
-                   float bottom,
-                   float top,
-                   float near,
-                   float far)
-{
-  _cogl_matrix_orthographic (matrix, left, top, right, bottom, near, far);
-  _COGL_MATRIX_DEBUG_PRINT (matrix);
-}
-
 void
 cogl_matrix_orthographic (CoglMatrix *matrix,
                           float x_1,
diff --git a/cogl/cogl/cogl-matrix.h b/cogl/cogl/cogl-matrix.h
index 7779b4ae7..4a88dd69a 100644
--- a/cogl/cogl/cogl-matrix.h
+++ b/cogl/cogl/cogl-matrix.h
@@ -374,34 +374,6 @@ cogl_matrix_orthographic (CoglMatrix *matrix,
                           float near,
                           float far);
 
-/**
- * cogl_matrix_ortho:
- * @matrix: A 4x4 transformation matrix
- * @left: The coordinate for the left clipping plane
- * @right: The coordinate for the right clipping plane
- * @bottom: The coordinate for the bottom clipping plane
- * @top: The coordinate for the top clipping plane
- * @near: The <emphasis>distance</emphasis> to the near clipping
- *   plane (will be <emphasis>negative</emphasis> if the plane is
- *   behind the viewer)
- * @far: The <emphasis>distance</emphasis> to the far clipping
- *   plane (will be <emphasis>negative</emphasis> if the plane is
- *   behind the viewer)
- *
- * Multiplies @matrix by a parallel projection matrix.
- *
- * Deprecated: 1.10: Use cogl_matrix_orthographic()
- */
-COGL_DEPRECATED_FOR (cogl_matrix_orthographic)
-void
-cogl_matrix_ortho (CoglMatrix *matrix,
-                   float       left,
-                   float       right,
-                   float       bottom,
-                   float       top,
-                   float       near,
-                   float       far);
-
 /**
  * cogl_matrix_view_2d_in_frustum:
  * @matrix: A 4x4 transformation matrix
diff --git a/cogl/cogl/cogl.symbols b/cogl/cogl/cogl.symbols
index 211835dac..225b44b24 100644
--- a/cogl/cogl/cogl.symbols
+++ b/cogl/cogl/cogl.symbols
@@ -440,9 +440,6 @@ cogl_matrix_init_from_euler
 cogl_matrix_init_identity
 cogl_matrix_look_at
 cogl_matrix_multiply
-#ifndef COGL_DISABLE_DEPRECATED
-cogl_matrix_ortho
-#endif
 cogl_matrix_orthographic
 cogl_matrix_perspective
 cogl_matrix_project_points