diff --git a/panda/src/dxgsg9/dxgsg9base.h b/panda/src/dxgsg9/dxgsg9base.h
index b0e2b9dfef..430876dff5 100644
--- a/panda/src/dxgsg9/dxgsg9base.h
+++ b/panda/src/dxgsg9/dxgsg9base.h
@@ -211,7 +211,6 @@ struct DXScreenData {
   bool _is_tnl_device;
   bool _can_use_hw_vertex_shaders;
   bool _can_use_pixel_shaders;
-  bool _is_dx9_1;
   UINT _supported_screen_depths_mask;
   UINT _supported_tex_formats_mask;
   bool _supports_rgba16f_texture_format;
diff --git a/panda/src/dxgsg9/wdxGraphicsPipe9.cxx b/panda/src/dxgsg9/wdxGraphicsPipe9.cxx
index 6c85c6652f..ce8d33165f 100644
--- a/panda/src/dxgsg9/wdxGraphicsPipe9.cxx
+++ b/panda/src/dxgsg9/wdxGraphicsPipe9.cxx
@@ -193,30 +193,10 @@ init() {
   }
 
   // Create a Direct3D object.
+  __d3d9 = (*_Direct3DCreate9)(D3D_SDK_VERSION);
 
-  // these were taken from the 8.0 and 8.1 d3d8.h SDK headers
-    __is_dx9_1 = false;
-
-#define D3D_SDK_VERSION_9_0 D3D_SDK_VERSION
-#define D3D_SDK_VERSION_9_1 D3D_SDK_VERSION
-
-  // are we using 9.0 or 9.1?
-  WIN32_FIND_DATA TempFindData;
-  HANDLE hFind;
-  char tmppath[_MAX_PATH + 128];
-  GetSystemDirectory(tmppath, MAX_PATH);
-  strcat(tmppath, "\\dpnhpast.dll");
-  hFind = FindFirstFile (tmppath, &TempFindData);
-  if (hFind != INVALID_HANDLE_VALUE) {
-    FindClose(hFind);
-// ??? This was from DX8 __is_dx9_1 = true;
-    __d3d9 = (*_Direct3DCreate9)(D3D_SDK_VERSION_9_1);
-  } else {
-    __is_dx9_1 = false;
-    __d3d9 = (*_Direct3DCreate9)(D3D_SDK_VERSION_9_0);
-  }
   if (__d3d9 == nullptr) {
-    wdxdisplay9_cat.error() << "Direct3DCreate9(9." << (__is_dx9_1 ? "1" : "0") << ") failed!, error = " << GetLastError() << endl;
+    wdxdisplay9_cat.error() << "Direct3DCreate9 failed!, error = " << GetLastError() << endl;
     // release_gsg();
     goto error;
   }
diff --git a/panda/src/dxgsg9/wdxGraphicsPipe9.h b/panda/src/dxgsg9/wdxGraphicsPipe9.h
index 2d9eea18b0..ff25433e79 100644
--- a/panda/src/dxgsg9/wdxGraphicsPipe9.h
+++ b/panda/src/dxgsg9/wdxGraphicsPipe9.h
@@ -93,7 +93,6 @@ private:
 
   typedef pvector<CardID> CardIDs;
   CardIDs _card_ids;
-  bool __is_dx9_1;
 
 public:
   static TypeHandle get_class_type() {
diff --git a/panda/src/dxgsg9/wdxGraphicsWindow9.cxx b/panda/src/dxgsg9/wdxGraphicsWindow9.cxx
index 3207c81189..07a265a97c 100644
--- a/panda/src/dxgsg9/wdxGraphicsWindow9.cxx
+++ b/panda/src/dxgsg9/wdxGraphicsWindow9.cxx
@@ -878,7 +878,7 @@ choose_device() {
     LARGE_INTEGER *DrvVer = &adapter_info.DriverVersion;
 
     wdxdisplay9_cat.info()
-      << "D3D9." << (dxpipe->__is_dx9_1 ?"1":"0") << " Adapter[" << i << "]: " << adapter_info.Description
+      << "D3D9 Adapter[" << i << "]: " << adapter_info.Description
       << ", Driver: " << adapter_info.Driver << ", DriverVersion: ("
       << HIWORD(DrvVer->HighPart) << "." << LOWORD(DrvVer->HighPart) << "."
       << HIWORD(DrvVer->LowPart) << "." << LOWORD(DrvVer->LowPart)
@@ -979,7 +979,6 @@ consider_device(wdxGraphicsPipe9 *dxpipe, DXDeviceInfo *device_info) {
 
   nassertr(_dxgsg != nullptr, false);
   _wcontext._d3d9 = _d3d9;
-  _wcontext._is_dx9_1 = dxpipe->__is_dx9_1;
   _wcontext._card_id = device_info->cardID;  // could this change by end?
 
   bool bWantStencil = (_fb_properties.get_stencil_bits() > 0);