diff --git a/platform/settings.hpp b/platform/settings.hpp
index c5cca5e6ae..8451c8658f 100644
--- a/platform/settings.hpp
+++ b/platform/settings.hpp
@@ -38,7 +38,7 @@ namespace Settings
     StringStorage::Instance().SetValue(key, ToString(value));
   }
 
-  void Delete(string const & key)
+  inline void Delete(string const & key)
   {
     StringStorage::Instance().DeleteKeyAndValue(key);
   }