diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.cpp b/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.cpp
index 9c64da7b15..a0d41e8f3e 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.cpp
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.cpp
@@ -273,8 +273,6 @@ struct _GstD3D11MemoryPrivate
   gint cpu_map_count;
 };
 
-GST_DEFINE_MINI_OBJECT_TYPE (GstD3D11Memory, gst_d3d11_memory);
-
 static inline D3D11_MAP
 gst_d3d11_map_flags_to_d3d11 (GstMapFlags flags)
 {
diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.h b/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.h
index d3be11227a..d0f5f1fff8 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.h
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11memory.h
@@ -31,7 +31,6 @@ G_BEGIN_DECLS
 
 #define GST_TYPE_D3D11_ALLOCATION_PARAMS    (gst_d3d11_allocation_params_get_type())
 
-#define GST_TYPE_D3D11_MEMORY               (gst_d3d11_memory_get_type())
 #define GST_D3D11_MEMORY_CAST(obj)          ((GstD3D11Memory *)obj)
 
 #define GST_TYPE_D3D11_ALLOCATOR            (gst_d3d11_allocator_get_type())
@@ -167,9 +166,6 @@ struct _GstD3D11Memory
   gpointer _gst_reserved[GST_PADDING];
 };
 
-GST_D3D11_API
-GType                      gst_d3d11_memory_get_type (void);
-
 GST_D3D11_API
 void                       gst_d3d11_memory_init_once (void);