diff --git a/source/blender/editors/include/BIF_glutil.h b/source/blender/editors/include/BIF_glutil.h
index 3540bcb58a1..74c96f46cc5 100644
--- a/source/blender/editors/include/BIF_glutil.h
+++ b/source/blender/editors/include/BIF_glutil.h
@@ -282,8 +282,6 @@ void glaDrawImBuf_glsl_ctx_clipping(const struct bContext *C,
                                     float clip_max_x, float clip_max_y,
                                     float zoom_x, float zoom_y);
 
-void glaDrawBorderCorners(const struct rcti *border, float zoomx, float zoomy);
-
 void immDrawBorderCorners(unsigned int pos, const struct rcti *border, float zoomx, float zoomy);
 
 #endif /* __BIF_GLUTIL_H__ */
diff --git a/source/blender/editors/screen/glutil.c b/source/blender/editors/screen/glutil.c
index f694fb0ce41..dcf7b1ba208 100644
--- a/source/blender/editors/screen/glutil.c
+++ b/source/blender/editors/screen/glutil.c
@@ -1100,44 +1100,6 @@ void cpack(unsigned int x)
 	           (((x) >> 16) & 0xFF));
 }
 
-void glaDrawBorderCorners(const rcti *border, float zoomx, float zoomy)
-{
-	/* DEPRECATED: use immDrawBorderCorners */
-	float delta_x = 4.0f * UI_DPI_FAC / zoomx;
-	float delta_y = 4.0f * UI_DPI_FAC / zoomy;
-
-	delta_x = min_ff(delta_x, border->xmax - border->xmin);
-	delta_y = min_ff(delta_y, border->ymax - border->ymin);
-
-	/* left bottom corner */
-	glBegin(GL_LINE_STRIP);
-	glVertex2f(border->xmin, border->ymin + delta_y);
-	glVertex2f(border->xmin, border->ymin);
-	glVertex2f(border->xmin + delta_x, border->ymin);
-	glEnd();
-
-	/* left top corner */
-	glBegin(GL_LINE_STRIP);
-	glVertex2f(border->xmin, border->ymax - delta_y);
-	glVertex2f(border->xmin, border->ymax);
-	glVertex2f(border->xmin + delta_x, border->ymax);
-	glEnd();
-
-	/* right bottom corner */
-	glBegin(GL_LINE_STRIP);
-	glVertex2f(border->xmax - delta_x, border->ymin);
-	glVertex2f(border->xmax, border->ymin);
-	glVertex2f(border->xmax, border->ymin + delta_y);
-	glEnd();
-
-	/* right top corner */
-	glBegin(GL_LINE_STRIP);
-	glVertex2f(border->xmax - delta_x, border->ymax);
-	glVertex2f(border->xmax, border->ymax);
-	glVertex2f(border->xmax, border->ymax - delta_y);
-	glEnd();
-}
-
 void immDrawBorderCorners(unsigned int pos, const rcti *border, float zoomx, float zoomy)
 {
 	float delta_x = 4.0f * UI_DPI_FAC / zoomx;