diff --git a/include/boost/unordered/detail/foa.hpp b/include/boost/unordered/detail/foa.hpp
index 755c8cca..f885e82b 100644
--- a/include/boost/unordered/detail/foa.hpp
+++ b/include/boost/unordered/detail/foa.hpp
@@ -590,6 +590,8 @@ private:
 template<typename,typename,typename,typename>
 class table;
 
+class const_iterator_cast_tag {};
+
 template<typename Value,typename Group,bool Const>
 class table_iterator
 {
@@ -604,6 +606,9 @@ public:
   template<bool Const2,typename std::enable_if<!Const2>::type* =nullptr>
   table_iterator(const table_iterator<Value,Group,Const2>& x):
     pc{x.pc},p{x.p}{}
+  table_iterator(
+    const_iterator_cast_tag, const table_iterator<Value,Group,true>& x):
+    pc{x.pc},p{x.p}{}
 
   inline reference operator*()const noexcept{return *p;}
   inline pointer operator->()const noexcept{return p;}
diff --git a/include/boost/unordered/unordered_flat_map.hpp b/include/boost/unordered/unordered_flat_map.hpp
index 64df3a33..e1633364 100644
--- a/include/boost/unordered/unordered_flat_map.hpp
+++ b/include/boost/unordered/unordered_flat_map.hpp
@@ -239,6 +239,14 @@ namespace boost {
 
       void erase(iterator pos) { table_.erase(pos); }
       void erase(const_iterator pos) { return table_.erase(pos); }
+      iterator erase(const_iterator first, const_iterator last)
+      {
+        while (first != last) {
+          this->erase(first++);
+        }
+        return iterator{detail::foa::const_iterator_cast_tag{}, last};
+      }
+
       size_type erase(key_type const& key) { return table_.erase(key); }
 
       /// Lookup
diff --git a/include/boost/unordered/unordered_flat_set.hpp b/include/boost/unordered/unordered_flat_set.hpp
index 96aaf699..3f075185 100644
--- a/include/boost/unordered/unordered_flat_set.hpp
+++ b/include/boost/unordered/unordered_flat_set.hpp
@@ -176,6 +176,14 @@ namespace boost {
       }
 
       void erase(const_iterator pos) { return table_.erase(pos); }
+      iterator erase(const_iterator first, const_iterator last)
+      {
+        while (first != last) {
+          this->erase(first++);
+        }
+        return iterator{detail::foa::const_iterator_cast_tag{}, last};
+      }
+
       size_type erase(key_type const& key) { return table_.erase(key); }
 
       /// Lookup