diff --git a/src/mergerfs.cpp b/src/mergerfs.cpp
index 939f1ce7..28c7161c 100644
--- a/src/mergerfs.cpp
+++ b/src/mergerfs.cpp
@@ -384,8 +384,6 @@ main(int    argc_,
   CLI::App app;
 
   bool foreground;
-  std::set<std::string> keys;
-  std::map<std::string,std::string> keyvalues;
   std::vector<std::string> opts;
 
   app.description("mergerfs: A featureful union filesystem");