diff --git a/LEGO1/mxdirect3d.cpp b/LEGO1/mxdirect3d.cpp
index a4a6db89..b1aa54e2 100644
--- a/LEGO1/mxdirect3d.cpp
+++ b/LEGO1/mxdirect3d.cpp
@@ -9,4 +9,18 @@ MxDirect3D::MxDirect3D()
   this->m_pDirect3dDevice = NULL;
   this->m_unk88c = NULL;
   this->m_pDeviceModeFinder = NULL;
+}
+
+// OFFSET: LEGO1 0x1009b290
+void MxDirect3D::Clear()
+{
+  if(this->m_pDirect3dDevice) {
+    this->m_pDirect3dDevice->Release();
+    this->m_pDirect3dDevice = NULL;
+  }
+  if(this->m_pDirect3d) {
+    this->m_pDirect3d->Release();
+    this->m_pDirect3d = NULL;
+  }
+  Destroy();
 }
\ No newline at end of file
diff --git a/LEGO1/mxdirect3d.h b/LEGO1/mxdirect3d.h
index 74e485e4..c2e50008 100644
--- a/LEGO1/mxdirect3d.h
+++ b/LEGO1/mxdirect3d.h
@@ -14,6 +14,7 @@ class MxDirect3D : public MxDirectDraw
 public:
   MxDirect3D();
 
+  void Clear();
   inline MxDeviceModeFinder *GetDeviceModeFinder() { return this->m_pDeviceModeFinder; };
 
 private: