diff --git a/transition_machine/src/ActionBank.cpp b/transition_machine/src/ActionBank.cpp
index 0291f717f5818f4016323e94c17544ea8319358e..eed5cb653899fb2c970f6601840a1d71f13857b5 100644
--- a/transition_machine/src/ActionBank.cpp
+++ b/transition_machine/src/ActionBank.cpp
@@ -1147,7 +1147,10 @@ void ActionBank::removeCharFromBuffer(Config & config, const std::string & tapeN
   std::string suffix = std::string(config.rawInput.begin()+config.rawInputHeadIndex, config.rawInput.begin()+config.rawInputHeadIndex+util::getEndIndexOfNthSymbolFrom(config.rawInput.begin()+config.rawInputHeadIndex,config.rawInput.end(), 0));
 
   for (char c : suffix)
+  {
+    (void)c;
     from.pop_back();
+  }
 
   tape.setHyp(relativeIndex, from);
 }