diff --git a/dlls/d3d8/cubetexture.c b/dlls/d3d8/cubetexture.c
index 49006b51b32..71daf34f7d3 100644
--- a/dlls/d3d8/cubetexture.c
+++ b/dlls/d3d8/cubetexture.c
@@ -104,7 +104,7 @@ static DWORD WINAPI IDirect3DCubeTexture8Impl_GetPriority(LPDIRECT3DCUBETEXTURE8
 static void WINAPI IDirect3DCubeTexture8Impl_PreLoad(LPDIRECT3DCUBETEXTURE8 iface) {
     IDirect3DCubeTexture8Impl *This = (IDirect3DCubeTexture8Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DCubeTexture_PreLoad(This->wineD3DCubeTexture);
+    IWineD3DCubeTexture_PreLoad(This->wineD3DCubeTexture);
 }
 
 static D3DRESOURCETYPE WINAPI IDirect3DCubeTexture8Impl_GetType(LPDIRECT3DCUBETEXTURE8 iface) {
diff --git a/dlls/d3d8/device.c b/dlls/d3d8/device.c
index 87d31d0fbd1..9e05a517303 100644
--- a/dlls/d3d8/device.c
+++ b/dlls/d3d8/device.c
@@ -208,7 +208,7 @@ static HRESULT WINAPI IDirect3DDevice8Impl_SetCursorProperties(LPDIRECT3DDEVICE8
 static void WINAPI IDirect3DDevice8Impl_SetCursorPosition(LPDIRECT3DDEVICE8 iface, UINT XScreenSpace, UINT YScreenSpace, DWORD Flags) {
     IDirect3DDevice8Impl *This = (IDirect3DDevice8Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DDevice_SetCursorPosition(This->WineD3DDevice, XScreenSpace, YScreenSpace, Flags);
+    IWineD3DDevice_SetCursorPosition(This->WineD3DDevice, XScreenSpace, YScreenSpace, Flags);
 }
 
 static BOOL WINAPI IDirect3DDevice8Impl_ShowCursor(LPDIRECT3DDEVICE8 iface, BOOL bShow) {
@@ -359,7 +359,7 @@ static void WINAPI IDirect3DDevice8Impl_SetGammaRamp(LPDIRECT3DDEVICE8 iface, DW
     TRACE("(%p) Relay\n", This);
 
     /* Note: D3DGAMMARAMP is compatible with WINED3DGAMMARAMP */
-    return IWineD3DDevice_SetGammaRamp(This->WineD3DDevice, 0, Flags, (CONST WINED3DGAMMARAMP *) pRamp);
+    IWineD3DDevice_SetGammaRamp(This->WineD3DDevice, 0, Flags, (CONST WINED3DGAMMARAMP *) pRamp);
 }
 
 static void WINAPI IDirect3DDevice8Impl_GetGammaRamp(LPDIRECT3DDEVICE8 iface, D3DGAMMARAMP* pRamp) {
@@ -367,7 +367,7 @@ static void WINAPI IDirect3DDevice8Impl_GetGammaRamp(LPDIRECT3DDEVICE8 iface, D3
     TRACE("(%p) Relay\n", This);
 
     /* Note: D3DGAMMARAMP is compatible with WINED3DGAMMARAMP */
-    return IWineD3DDevice_GetGammaRamp(This->WineD3DDevice, 0, (WINED3DGAMMARAMP *) pRamp);
+    IWineD3DDevice_GetGammaRamp(This->WineD3DDevice, 0, (WINED3DGAMMARAMP *) pRamp);
 }
 
 static HRESULT WINAPI IDirect3DDevice8Impl_CreateTexture(LPDIRECT3DDEVICE8 iface, UINT Width, UINT Height, UINT Levels, DWORD Usage,
diff --git a/dlls/d3d8/indexbuffer.c b/dlls/d3d8/indexbuffer.c
index 8f0ec744563..ad92cf40f0a 100644
--- a/dlls/d3d8/indexbuffer.c
+++ b/dlls/d3d8/indexbuffer.c
@@ -103,7 +103,7 @@ static DWORD WINAPI IDirect3DIndexBuffer8Impl_GetPriority(LPDIRECT3DINDEXBUFFER8
 static void WINAPI IDirect3DIndexBuffer8Impl_PreLoad(LPDIRECT3DINDEXBUFFER8 iface) {
     IDirect3DIndexBuffer8Impl *This = (IDirect3DIndexBuffer8Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DIndexBuffer_PreLoad(This->wineD3DIndexBuffer);
+    IWineD3DIndexBuffer_PreLoad(This->wineD3DIndexBuffer);
 }
 
 static D3DRESOURCETYPE WINAPI IDirect3DIndexBuffer8Impl_GetType(LPDIRECT3DINDEXBUFFER8 iface) {
diff --git a/dlls/d3d8/texture.c b/dlls/d3d8/texture.c
index 17af4ee2644..89657350418 100644
--- a/dlls/d3d8/texture.c
+++ b/dlls/d3d8/texture.c
@@ -104,7 +104,7 @@ static DWORD WINAPI IDirect3DTexture8Impl_GetPriority(LPDIRECT3DTEXTURE8 iface)
 static void WINAPI IDirect3DTexture8Impl_PreLoad(LPDIRECT3DTEXTURE8 iface) {
     IDirect3DTexture8Impl *This = (IDirect3DTexture8Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DTexture_PreLoad(This->wineD3DTexture);
+    IWineD3DTexture_PreLoad(This->wineD3DTexture);
 }
 
 static D3DRESOURCETYPE WINAPI IDirect3DTexture8Impl_GetType(LPDIRECT3DTEXTURE8 iface) {
diff --git a/dlls/d3d8/volumetexture.c b/dlls/d3d8/volumetexture.c
index 430f0b4ad50..0b01fb2b367 100644
--- a/dlls/d3d8/volumetexture.c
+++ b/dlls/d3d8/volumetexture.c
@@ -104,7 +104,7 @@ static DWORD WINAPI IDirect3DVolumeTexture8Impl_GetPriority(LPDIRECT3DVOLUMETEXT
 static void WINAPI IDirect3DVolumeTexture8Impl_PreLoad(LPDIRECT3DVOLUMETEXTURE8 iface) {
     IDirect3DVolumeTexture8Impl *This = (IDirect3DVolumeTexture8Impl *)iface;
     TRACE("(%p) Relay\n", This);
-    return IWineD3DVolumeTexture_PreLoad(This->wineD3DVolumeTexture);
+    IWineD3DVolumeTexture_PreLoad(This->wineD3DVolumeTexture);
 }
 
 static D3DRESOURCETYPE WINAPI IDirect3DVolumeTexture8Impl_GetType(LPDIRECT3DVOLUMETEXTURE8 iface) {