diff --git a/src/d3d11/d3d11_device_child.h b/src/d3d11/d3d11_device_child.h
index 190b5afa..facb901f 100644
--- a/src/d3d11/d3d11_device_child.h
+++ b/src/d3d11/d3d11_device_child.h
@@ -6,8 +6,8 @@
 
 namespace dxvk {
   
-  template<typename... Base>
-  class D3D11DeviceChild : public ComObject<Base...> {
+  template<typename Base>
+  class D3D11DeviceChild : public ComObject<Base> {
     
   public:
     
diff --git a/src/dxgi/dxgi_object.h b/src/dxgi/dxgi_object.h
index 4213d892..aac2bb4c 100644
--- a/src/dxgi/dxgi_object.h
+++ b/src/dxgi/dxgi_object.h
@@ -6,8 +6,8 @@
 
 namespace dxvk {
   
-  template<typename... Base>
-  class DxgiObject : public ComObject<Base...> {
+  template<typename Base>
+  class DxgiObject : public ComObject<Base> {
     
   public:
     
diff --git a/src/util/com/com_object.h b/src/util/com/com_object.h
index 8bb8c48d..ab8d8b6f 100644
--- a/src/util/com/com_object.h
+++ b/src/util/com/com_object.h
@@ -24,8 +24,8 @@ namespace dxvk {
    * holding on to objects which the application wants
    * to delete.
    */
-  template<typename... Base>
-  class ComObject : public Base... {
+  template<typename Base>
+  class ComObject : public Base {
     
   public: