diff --git a/dlls/d3d8/device.c b/dlls/d3d8/device.c
index f6f05018f67..2b7e7c02168 100644
--- a/dlls/d3d8/device.c
+++ b/dlls/d3d8/device.c
@@ -1812,7 +1812,7 @@ static HRESULT WINAPI d3d8_device_SetTextureStageState(IDirect3DDevice8 *iface,
 {
     struct d3d8_device *device = impl_from_IDirect3DDevice8(iface);
     const struct tss_lookup *l;
-    HRESULT hr;
+    HRESULT hr = D3D_OK;
 
     TRACE("iface %p, stage %u, state %#x, value %#x.\n", iface, stage, type, value);
 
@@ -1826,7 +1826,7 @@ static HRESULT WINAPI d3d8_device_SetTextureStageState(IDirect3DDevice8 *iface,
 
     wined3d_mutex_lock();
     if (l->sampler_state)
-        hr = wined3d_device_set_sampler_state(device->wined3d_device, stage, l->state, value);
+        wined3d_device_set_sampler_state(device->wined3d_device, stage, l->state, value);
     else
         hr = wined3d_device_set_texture_stage_state(device->wined3d_device, stage, l->state, value);
     wined3d_mutex_unlock();
diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index fcdfc6f5a44..ea90e1a91cd 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -1809,15 +1809,14 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH d3d9_device_SetSamplerState(IDirect3DDev
         DWORD sampler, D3DSAMPLERSTATETYPE state, DWORD value)
 {
     struct d3d9_device *device = impl_from_IDirect3DDevice9Ex(iface);
-    HRESULT hr;
 
     TRACE("iface %p, sampler %u, state %#x, value %#x.\n", iface, sampler, state, value);
 
     wined3d_mutex_lock();
-    hr = wined3d_device_set_sampler_state(device->wined3d_device, sampler, state, value);
+    wined3d_device_set_sampler_state(device->wined3d_device, sampler, state, value);
     wined3d_mutex_unlock();
 
-    return hr;
+    return D3D_OK;
 }
 
 static HRESULT WINAPI d3d9_device_ValidateDevice(IDirect3DDevice9Ex *iface, DWORD *pass_count)
diff --git a/dlls/ddraw/device.c b/dlls/ddraw/device.c
index 996fca813cc..908efa38958 100644
--- a/dlls/ddraw/device.c
+++ b/dlls/ddraw/device.c
@@ -2509,7 +2509,7 @@ static HRESULT d3d_device7_SetRenderState(IDirect3DDevice7 *iface,
         D3DRENDERSTATETYPE state, DWORD value)
 {
     struct d3d_device *device = impl_from_IDirect3DDevice7(iface);
-    HRESULT hr;
+    HRESULT hr = D3D_OK;
 
     TRACE("iface %p, state %#x, value %#x.\n", iface, state, value);
 
@@ -2552,7 +2552,7 @@ static HRESULT d3d_device7_SetRenderState(IDirect3DDevice7 *iface,
                     break;
             }
 
-            hr = wined3d_device_set_sampler_state(device->wined3d_device, 0, WINED3D_SAMP_MAG_FILTER, tex_mag);
+            wined3d_device_set_sampler_state(device->wined3d_device, 0, WINED3D_SAMP_MAG_FILTER, tex_mag);
             break;
         }
 
@@ -2597,7 +2597,7 @@ static HRESULT d3d_device7_SetRenderState(IDirect3DDevice7 *iface,
 
             wined3d_device_set_sampler_state(device->wined3d_device,
                     0, WINED3D_SAMP_MIP_FILTER, tex_mip);
-            hr = wined3d_device_set_sampler_state(device->wined3d_device,
+            wined3d_device_set_sampler_state(device->wined3d_device,
                     0, WINED3D_SAMP_MIN_FILTER, tex_min);
             break;
         }
@@ -2607,11 +2607,11 @@ static HRESULT d3d_device7_SetRenderState(IDirect3DDevice7 *iface,
                     0, WINED3D_SAMP_ADDRESS_V, value);
             /* Drop through */
         case D3DRENDERSTATE_TEXTUREADDRESSU:
-            hr = wined3d_device_set_sampler_state(device->wined3d_device,
+            wined3d_device_set_sampler_state(device->wined3d_device,
                     0, WINED3D_SAMP_ADDRESS_U, value);
             break;
         case D3DRENDERSTATE_TEXTUREADDRESSV:
-            hr = wined3d_device_set_sampler_state(device->wined3d_device,
+            wined3d_device_set_sampler_state(device->wined3d_device,
                     0, WINED3D_SAMP_ADDRESS_V, value);
             break;
 
@@ -2630,7 +2630,6 @@ static HRESULT d3d_device7_SetRenderState(IDirect3DDevice7 *iface,
 
         case D3DRENDERSTATE_ZBIAS:
             wined3d_device_set_render_state(device->wined3d_device, WINED3D_RS_DEPTHBIAS, value);
-            hr = D3D_OK;
             break;
 
         default:
@@ -2643,7 +2642,6 @@ static HRESULT d3d_device7_SetRenderState(IDirect3DDevice7 *iface,
             }
 
             wined3d_device_set_render_state(device->wined3d_device, state, value);
-            hr = D3D_OK;
             break;
     }
     wined3d_mutex_unlock();
@@ -4728,7 +4726,7 @@ static HRESULT d3d_device7_SetTextureStageState(IDirect3DDevice7 *iface,
 {
     struct d3d_device *device = impl_from_IDirect3DDevice7(iface);
     const struct tss_lookup *l;
-    HRESULT hr;
+    HRESULT hr = D3D_OK;
 
     TRACE("iface %p, stage %u, state %#x, value %#x.\n",
             iface, stage, state, value);
@@ -4806,7 +4804,7 @@ static HRESULT d3d_device7_SetTextureStageState(IDirect3DDevice7 *iface,
                 break;
         }
 
-        hr = wined3d_device_set_sampler_state(device->wined3d_device, stage, l->state, value);
+        wined3d_device_set_sampler_state(device->wined3d_device, stage, l->state, value);
     }
     else
     {
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index a8bb4033cdc..596206cc295 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -2325,7 +2325,7 @@ DWORD CDECL wined3d_device_get_render_state(const struct wined3d_device *device,
     return device->stateBlock->state.render_states[state];
 }
 
-HRESULT CDECL wined3d_device_set_sampler_state(struct wined3d_device *device,
+void CDECL wined3d_device_set_sampler_state(struct wined3d_device *device,
         UINT sampler_idx, enum wined3d_sampler_state state, DWORD value)
 {
     DWORD old_value;
@@ -2340,7 +2340,7 @@ HRESULT CDECL wined3d_device_set_sampler_state(struct wined3d_device *device,
             / sizeof(*device->stateBlock->state.sampler_states))
     {
         WARN("Invalid sampler %u.\n", sampler_idx);
-        return WINED3D_OK; /* Windows accepts overflowing this array ... we do not. */
+        return; /* Windows accepts overflowing this array ... we do not. */
     }
 
     old_value = device->stateBlock->state.sampler_states[sampler_idx][state];
@@ -2351,18 +2351,16 @@ HRESULT CDECL wined3d_device_set_sampler_state(struct wined3d_device *device,
     if (device->isRecordingState)
     {
         TRACE("Recording... not performing anything.\n");
-        return WINED3D_OK;
+        return;
     }
 
     if (old_value == value)
     {
         TRACE("Application is setting the old value over, nothing to do.\n");
-        return WINED3D_OK;
+        return;
     }
 
     device_invalidate_state(device, STATE_SAMPLER(sampler_idx));
-
-    return WINED3D_OK;
 }
 
 HRESULT CDECL wined3d_device_get_sampler_state(const struct wined3d_device *device,
diff --git a/include/wine/wined3d.h b/include/wine/wined3d.h
index 4d10fd62dbe..57b6a1b432a 100644
--- a/include/wine/wined3d.h
+++ b/include/wine/wined3d.h
@@ -2223,7 +2223,7 @@ void __cdecl wined3d_device_set_render_state(struct wined3d_device *device,
         enum wined3d_render_state state, DWORD value);
 HRESULT __cdecl wined3d_device_set_render_target(struct wined3d_device *device,
         UINT render_target_idx, struct wined3d_surface *render_target, BOOL set_viewport);
-HRESULT __cdecl wined3d_device_set_sampler_state(struct wined3d_device *device,
+void __cdecl wined3d_device_set_sampler_state(struct wined3d_device *device,
         UINT sampler_idx, enum wined3d_sampler_state state, DWORD value);
 HRESULT __cdecl wined3d_device_set_scissor_rect(struct wined3d_device *device, const RECT *rect);
 HRESULT __cdecl wined3d_device_set_software_vertex_processing(struct wined3d_device *device, BOOL software);