diff --git a/libcxx/include/__algorithm/equal.h b/libcxx/include/__algorithm/equal.h
--- a/libcxx/include/__algorithm/equal.h
+++ b/libcxx/include/__algorithm/equal.h
@@ -13,7 +13,7 @@
 #include <__config>
 #include <__algorithm/comp.h>
 #include <__iterator/iterator_traits.h>
-#include <iterator> // FIXME: replace with <__iterator/distance.h> when it lands
+#include <__iterator/distance.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
diff --git a/libcxx/include/__algorithm/is_permutation.h b/libcxx/include/__algorithm/is_permutation.h
--- a/libcxx/include/__algorithm/is_permutation.h
+++ b/libcxx/include/__algorithm/is_permutation.h
@@ -14,7 +14,7 @@
 #include <__config>
 #include <__iterator/iterator_traits.h>
 #include <__iterator/next.h>
-#include <iterator> // FIXME: replace with <__iterator/distance.h> when it lands
+#include <__iterator/distance.h>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header