diff --git a/modules/gpucodec/src/thread.cpp b/modules/gpucodec/src/thread.cpp
index b936d8e21a..6784a1c8e4 100644
--- a/modules/gpucodec/src/thread.cpp
+++ b/modules/gpucodec/src/thread.cpp
@@ -167,9 +167,4 @@ void cv::gpucodec::detail::Thread::sleep(int ms)
 #endif
 }
 
-template <> void cv::Ptr<cv::gpucodec::detail::Thread::Impl>::delete_obj()
-{
-    if (obj) delete obj;
-}
-
 #endif // HAVE_NVCUVID
diff --git a/modules/gpucodec/src/thread.hpp b/modules/gpucodec/src/thread.hpp
index ccda5b5c7c..c69367f96f 100644
--- a/modules/gpucodec/src/thread.hpp
+++ b/modules/gpucodec/src/thread.hpp
@@ -67,8 +67,4 @@ private:
 
 }}}
 
-namespace cv {
-    template <> void Ptr<cv::gpucodec::detail::Thread::Impl>::delete_obj();
-}
-
 #endif // __THREAD_WRAPPERS_HPP__