diff --git a/include/range/v3/action.hpp b/include/range/v3/action.hpp
index 6f2befd5c..1537fd19c 100644
--- a/include/range/v3/action.hpp
+++ b/include/range/v3/action.hpp
@@ -24,6 +24,7 @@
 #include <range/v3/action/join.hpp>
 #include <range/v3/action/push_back.hpp>
 #include <range/v3/action/push_front.hpp>
+#include <range/v3/action/remove.hpp>
 #include <range/v3/action/remove_if.hpp>
 #include <range/v3/action/reverse.hpp>
 #include <range/v3/action/shuffle.hpp>
diff --git a/include/range/v3/algorithm.hpp b/include/range/v3/algorithm.hpp
index ec2403d8c..b60b6d2d6 100644
--- a/include/range/v3/algorithm.hpp
+++ b/include/range/v3/algorithm.hpp
@@ -20,6 +20,7 @@
 #include <range/v3/algorithm/any_of.hpp>
 #include <range/v3/algorithm/binary_search.hpp>
 #include <range/v3/algorithm/contains.hpp>
+#include <range/v3/algorithm/contains_subrange.hpp>
 #include <range/v3/algorithm/copy.hpp>
 #include <range/v3/algorithm/copy_backward.hpp>
 #include <range/v3/algorithm/copy_if.hpp>
diff --git a/test/bug-guard.cpp b/test/bug-guard.cpp
index 679d7dbd9..667b8b2c2 100644
--- a/test/bug-guard.cpp
+++ b/test/bug-guard.cpp
@@ -16,4 +16,5 @@ int main()
 {
     // make sure, that `utility.hpp` is included correctly
     ranges::optional<int> a;
+    (void) a;
 }