diff --git a/libstdc++-v3/include/std/iterator b/libstdc++-v3/include/std/iterator
index 695e18e2c47..a0a8eac570b 100644
--- a/libstdc++-v3/include/std/iterator
+++ b/libstdc++-v3/include/std/iterator
@@ -67,7 +67,7 @@
 #endif
 #include <bits/range_access.h>
 
-#if __cplusplus >= 201402L && ! defined _GLIBCXX_DEBUG // PR libstdc++/70303
+#if __cplusplus >= 201402L
 # define __cpp_lib_null_iterators 201304L
 #endif
 
diff --git a/libstdc++-v3/include/std/version b/libstdc++-v3/include/std/version
index bd1bee0190d..ee515c4e66c 100644
--- a/libstdc++-v3/include/std/version
+++ b/libstdc++-v3/include/std/version
@@ -81,9 +81,7 @@
 #define __cpp_lib_integral_constant_callable 201304L
 #define __cpp_lib_is_final 201402L
 #define __cpp_lib_make_reverse_iterator 201402L
-#ifndef _GLIBCXX_DEBUG // PR libstdc++/70303
-# define __cpp_lib_null_iterators 201304L
-#endif
+#define __cpp_lib_null_iterators 201304L
 #define __cpp_lib_robust_nonmodifying_seq_ops 201304L
 #define __cpp_lib_transformation_trait_aliases 201304L
 #define __cpp_lib_transparent_operators 201510L