diff --git a/dlls/d3d9/basetexture.c b/dlls/d3d9/basetexture.c
index 1dff7561f70..f80eb78ae74 100644
--- a/dlls/d3d9/basetexture.c
+++ b/dlls/d3d9/basetexture.c
@@ -147,7 +147,7 @@ static D3DTEXTUREFILTERTYPE WINAPI IDirect3DBaseTexture9Impl_GetAutoGenFilterTyp
 static void WINAPI IDirect3DBaseTexture9Impl_GenerateMipSubLevels(LPDIRECT3DBASETEXTURE9 iface) {
     IDirect3DBaseTexture9Impl *This = (IDirect3DBaseTexture9Impl *)iface;
     TRACE("(%p) Relay\n" , This);
-    return IWineD3DBaseTexture_GenerateMipSubLevels(This->wineD3DBaseTexture);
+    IWineD3DBaseTexture_GenerateMipSubLevels(This->wineD3DBaseTexture);
 }
 
 const IDirect3DBaseTexture9Vtbl Direct3DBaseTexture9_Vtbl =
diff --git a/dlls/d3d9/cubetexture.c b/dlls/d3d9/cubetexture.c
index c3723143987..747aedc66a6 100644
--- a/dlls/d3d9/cubetexture.c
+++ b/dlls/d3d9/cubetexture.c
@@ -107,7 +107,7 @@ static DWORD WINAPI IDirect3DCubeTexture9Impl_GetPriority(LPDIRECT3DCUBETEXTURE9
 static void WINAPI IDirect3DCubeTexture9Impl_PreLoad(LPDIRECT3DCUBETEXTURE9 iface) {
     IDirect3DCubeTexture9Impl *This = (IDirect3DCubeTexture9Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DCubeTexture_PreLoad(This->wineD3DCubeTexture);
+    IWineD3DCubeTexture_PreLoad(This->wineD3DCubeTexture);
 }
 
 static D3DRESOURCETYPE WINAPI IDirect3DCubeTexture9Impl_GetType(LPDIRECT3DCUBETEXTURE9 iface) {
@@ -150,7 +150,7 @@ static D3DTEXTUREFILTERTYPE WINAPI IDirect3DCubeTexture9Impl_GetAutoGenFilterTyp
 static void WINAPI IDirect3DCubeTexture9Impl_GenerateMipSubLevels(LPDIRECT3DCUBETEXTURE9 iface) {
     IDirect3DCubeTexture9Impl *This = (IDirect3DCubeTexture9Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DCubeTexture_GenerateMipSubLevels(This->wineD3DCubeTexture);
+    IWineD3DCubeTexture_GenerateMipSubLevels(This->wineD3DCubeTexture);
 }
 
 /* IDirect3DCubeTexture9 Interface follow: */
diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 162df0f050b..e9c407886f1 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -163,7 +163,7 @@ static HRESULT  WINAPI  IDirect3DDevice9Impl_SetCursorProperties(LPDIRECT3DDEVIC
 static void     WINAPI  IDirect3DDevice9Impl_SetCursorPosition(LPDIRECT3DDEVICE9 iface, int XScreenSpace, int YScreenSpace, DWORD Flags) {
     IDirect3DDevice9Impl *This = (IDirect3DDevice9Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DDevice_SetCursorPosition(This->WineD3DDevice, XScreenSpace, YScreenSpace, Flags);
+    IWineD3DDevice_SetCursorPosition(This->WineD3DDevice, XScreenSpace, YScreenSpace, Flags);
 }
 
 static BOOL     WINAPI  IDirect3DDevice9Impl_ShowCursor(LPDIRECT3DDEVICE9 iface, BOOL bShow) {
@@ -256,7 +256,7 @@ static void WINAPI IDirect3DDevice9Impl_SetGammaRamp(LPDIRECT3DDEVICE9 iface, UI
     TRACE("(%p) Relay\n", This);
    
     /* Note: D3DGAMMARAMP is compatible with WINED3DGAMMARAMP */ 
-    return IWineD3DDevice_SetGammaRamp(This->WineD3DDevice, iSwapChain, Flags, (CONST WINED3DGAMMARAMP *)pRamp);
+    IWineD3DDevice_SetGammaRamp(This->WineD3DDevice, iSwapChain, Flags, (CONST WINED3DGAMMARAMP *)pRamp);
 }
 
 static void WINAPI IDirect3DDevice9Impl_GetGammaRamp(LPDIRECT3DDEVICE9 iface, UINT iSwapChain, D3DGAMMARAMP* pRamp) {    
@@ -264,7 +264,7 @@ static void WINAPI IDirect3DDevice9Impl_GetGammaRamp(LPDIRECT3DDEVICE9 iface, UI
     TRACE("(%p) Relay\n", This);
     
     /* Note: D3DGAMMARAMP is compatible with WINED3DGAMMARAMP */
-    return IWineD3DDevice_GetGammaRamp(This->WineD3DDevice, iSwapChain, (WINED3DGAMMARAMP *) pRamp);
+    IWineD3DDevice_GetGammaRamp(This->WineD3DDevice, iSwapChain, (WINED3DGAMMARAMP *) pRamp);
 }
 
 
diff --git a/dlls/d3d9/indexbuffer.c b/dlls/d3d9/indexbuffer.c
index c15df38c8db..6c188674430 100644
--- a/dlls/d3d9/indexbuffer.c
+++ b/dlls/d3d9/indexbuffer.c
@@ -104,7 +104,7 @@ static DWORD WINAPI IDirect3DIndexBuffer9Impl_GetPriority(LPDIRECT3DINDEXBUFFER9
 static void WINAPI IDirect3DIndexBuffer9Impl_PreLoad(LPDIRECT3DINDEXBUFFER9 iface) {
     IDirect3DIndexBuffer9Impl *This = (IDirect3DIndexBuffer9Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DIndexBuffer_PreLoad(This->wineD3DIndexBuffer);
+    IWineD3DIndexBuffer_PreLoad(This->wineD3DIndexBuffer);
 }
 
 static D3DRESOURCETYPE WINAPI IDirect3DIndexBuffer9Impl_GetType(LPDIRECT3DINDEXBUFFER9 iface) {
diff --git a/dlls/d3d9/texture.c b/dlls/d3d9/texture.c
index 7eecacd3d79..3adf4df4833 100644
--- a/dlls/d3d9/texture.c
+++ b/dlls/d3d9/texture.c
@@ -106,7 +106,7 @@ static DWORD WINAPI IDirect3DTexture9Impl_GetPriority(LPDIRECT3DTEXTURE9 iface)
 static void WINAPI IDirect3DTexture9Impl_PreLoad(LPDIRECT3DTEXTURE9 iface) {
     IDirect3DTexture9Impl *This = (IDirect3DTexture9Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DTexture_PreLoad(This->wineD3DTexture);
+    IWineD3DTexture_PreLoad(This->wineD3DTexture);
 }
 
 static D3DRESOURCETYPE WINAPI IDirect3DTexture9Impl_GetType(LPDIRECT3DTEXTURE9 iface) {
@@ -149,7 +149,7 @@ static D3DTEXTUREFILTERTYPE WINAPI IDirect3DTexture9Impl_GetAutoGenFilterType(LP
 static void WINAPI IDirect3DTexture9Impl_GenerateMipSubLevels(LPDIRECT3DTEXTURE9 iface) {
     IDirect3DTexture9Impl *This = (IDirect3DTexture9Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DTexture_GenerateMipSubLevels(This->wineD3DTexture);
+    IWineD3DTexture_GenerateMipSubLevels(This->wineD3DTexture);
 }
 
 /* IDirect3DTexture9 Interface follow: */
diff --git a/dlls/d3d9/volumetexture.c b/dlls/d3d9/volumetexture.c
index d45ca0e7a2d..cf73f7a9467 100644
--- a/dlls/d3d9/volumetexture.c
+++ b/dlls/d3d9/volumetexture.c
@@ -105,7 +105,7 @@ static DWORD WINAPI IDirect3DVolumeTexture9Impl_GetPriority(LPDIRECT3DVOLUMETEXT
 static void WINAPI IDirect3DVolumeTexture9Impl_PreLoad(LPDIRECT3DVOLUMETEXTURE9 iface) {
     IDirect3DVolumeTexture9Impl *This = (IDirect3DVolumeTexture9Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DVolumeTexture_PreLoad(This->wineD3DVolumeTexture);
+    IWineD3DVolumeTexture_PreLoad(This->wineD3DVolumeTexture);
 }
 
 static D3DRESOURCETYPE WINAPI IDirect3DVolumeTexture9Impl_GetType(LPDIRECT3DVOLUMETEXTURE9 iface) {
@@ -148,7 +148,7 @@ static D3DTEXTUREFILTERTYPE WINAPI IDirect3DVolumeTexture9Impl_GetAutoGenFilterT
 static void WINAPI IDirect3DVolumeTexture9Impl_GenerateMipSubLevels(LPDIRECT3DVOLUMETEXTURE9 iface) {
     IDirect3DVolumeTexture9Impl *This = (IDirect3DVolumeTexture9Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DVolumeTexture_GenerateMipSubLevels(This->wineD3DVolumeTexture);
+    IWineD3DVolumeTexture_GenerateMipSubLevels(This->wineD3DVolumeTexture);
 }
 
 /* IDirect3DVolumeTexture9 Interface follow: */