--- basic_string.h.orig	2018-05-03 06:22:46.000000000 +0200
+++ basic_string.h	2018-06-12 15:56:03.215179300 +0200
@@ -6329,18 +6329,6 @@
     { return std::getline(__is, __str); }
 #endif
 
-  template<>
-    basic_istream<char>&
-    getline(basic_istream<char>& __in, basic_string<char>& __str,
-	    char __delim);
-
-#ifdef _GLIBCXX_USE_WCHAR_T
-  template<>
-    basic_istream<wchar_t>&
-    getline(basic_istream<wchar_t>& __in, basic_string<wchar_t>& __str,
-	    wchar_t __delim);
-#endif  
-
 _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace