diff --git a/gfx/d3d/d3d_wrapper.cpp b/gfx/d3d/d3d_wrapper.cpp
index b7efc44c94..f2a3ea155f 100644
--- a/gfx/d3d/d3d_wrapper.cpp
+++ b/gfx/d3d/d3d_wrapper.cpp
@@ -260,8 +260,7 @@ void d3d_clear(LPDIRECT3DDEVICE dev,
 #endif
 }
 
-void d3d_lockrectangle_clear(void *data, 
-      LPDIRECT3DTEXTURE tex,
+void d3d_lockrectangle_clear(LPDIRECT3DTEXTURE tex,
       unsigned level, D3DLOCKED_RECT *lock_rect, RECT *rect,
       unsigned rectangle_height, unsigned flags)
 {
diff --git a/gfx/d3d/d3d_wrapper.h b/gfx/d3d/d3d_wrapper.h
index c15a43c2c0..f46e32a4da 100644
--- a/gfx/d3d/d3d_wrapper.h
+++ b/gfx/d3d/d3d_wrapper.h
@@ -66,8 +66,7 @@ void d3d_clear(LPDIRECT3DDEVICE dev,
       unsigned count, const D3DRECT *rects, unsigned flags,
       D3DCOLOR color, float z, unsigned stencil);
 
-void d3d_lockrectangle_clear(void *data, 
-      LPDIRECT3DTEXTURE tex,
+void d3d_lockrectangle_clear(LPDIRECT3DTEXTURE tex,
       unsigned level, D3DLOCKED_RECT *lock_rect, RECT *rect,
       unsigned rectangle_height, unsigned flags);
 
diff --git a/gfx/d3d/render_chain_cg.cpp b/gfx/d3d/render_chain_cg.cpp
index fb4179c6c1..697ad5dd8c 100644
--- a/gfx/d3d/render_chain_cg.cpp
+++ b/gfx/d3d/render_chain_cg.cpp
@@ -1326,7 +1326,7 @@ static void renderchain_blit_to_texture(void *data,
 
    if (first->last_width != width || first->last_height != height)
    {
-      d3d_lockrectangle_clear(first, first->tex, 0, &d3dlr, 
+      d3d_lockrectangle_clear(first->tex, 0, &d3dlr, 
             NULL, first->info.tex_h, D3DLOCK_NOSYSLOCK);
    }
 
diff --git a/gfx/d3d/render_chain_xdk.cpp b/gfx/d3d/render_chain_xdk.cpp
index 9960e9a302..59db3c8590 100644
--- a/gfx/d3d/render_chain_xdk.cpp
+++ b/gfx/d3d/render_chain_xdk.cpp
@@ -231,7 +231,7 @@ static void renderchain_blit_to_texture(void *data, const void *frame,
 
    if (d3d->last_width != width || d3d->last_height != height)
    {
-      d3d_lockrectangle_clear(d3d, d3d->tex,
+      d3d_lockrectangle_clear(d3d->tex,
             0, &d3dlr, NULL, d3d->tex_h, D3DLOCK_NOSYSLOCK);
    }