diff --git a/dlls/d3d8/device.c b/dlls/d3d8/device.c
index 33ab34d0b39..a113e57f580 100644
--- a/dlls/d3d8/device.c
+++ b/dlls/d3d8/device.c
@@ -2385,7 +2385,7 @@ static HRESULT d3d8_device_prepare_vertex_buffer(struct d3d8_device *device, UIN
         desc.byte_width = size;
         desc.usage = WINED3DUSAGE_DYNAMIC | WINED3DUSAGE_WRITEONLY;
         desc.bind_flags = WINED3D_BIND_VERTEX_BUFFER;
-        desc.access = WINED3D_RESOURCE_ACCESS_GPU | WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W;
+        desc.access = WINED3D_RESOURCE_ACCESS_GPU | WINED3D_RESOURCE_ACCESS_MAP_W;
         desc.misc_flags = 0;
         desc.structure_byte_stride = 0;
 
@@ -2480,7 +2480,7 @@ static HRESULT d3d8_device_prepare_index_buffer(struct d3d8_device *device, UINT
         desc.byte_width = size;
         desc.usage = WINED3DUSAGE_DYNAMIC | WINED3DUSAGE_WRITEONLY | WINED3DUSAGE_STATICDECL;
         desc.bind_flags = WINED3D_BIND_INDEX_BUFFER;
-        desc.access = WINED3D_RESOURCE_ACCESS_GPU | WINED3D_RESOURCE_ACCESS_MAP_R | WINED3D_RESOURCE_ACCESS_MAP_W;
+        desc.access = WINED3D_RESOURCE_ACCESS_GPU | WINED3D_RESOURCE_ACCESS_MAP_W;
         desc.misc_flags = 0;
         desc.structure_byte_stride = 0;