diff --git a/src/utils.hh b/src/utils.hh
index ee2591c0..68acc296 100644
--- a/src/utils.hh
+++ b/src/utils.hh
@@ -8,34 +8,6 @@
 namespace Kakoune
 {
 
-template<typename T, typename... Args>
-std::unique_ptr<T> make_unique(Args&&... args)
-{
-    return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
-}
-
-template<size_t... I>
-struct IndexSequence
-{
-    using Next = IndexSequence<I..., sizeof...(I)>;
-};
-
-template<size_t N>
-struct MakeIndexSequence
-{
-    using Type = typename MakeIndexSequence<N-1>::Type::Next;
-};
-
-template<>
-struct MakeIndexSequence<0>
-{
-    using Type = IndexSequence<>;
-};
-
-template<size_t N>
-constexpr typename MakeIndexSequence<N>::Type
-make_index_sequence() { return typename MakeIndexSequence<N>::Type{}; }
-
 // *** Singleton ***
 //
 // Singleton helper class, every singleton type T should inherit
@@ -109,6 +81,12 @@ OnScopeEnd<T> on_scope_end(T t)
 
 // *** Misc helper functions ***
 
+template<typename T, typename... Args>
+std::unique_ptr<T> make_unique(Args&&... args)
+{
+    return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
+}
+
 template<typename T>
 bool operator== (const std::unique_ptr<T>& lhs, T* rhs)
 {