diff --git a/bfps/cpp/particles/lock_free_bool_array.hpp b/bfps/cpp/particles/lock_free_bool_array.hpp
index 1ae9968e810a64d463d821305579af2904f6e70f..d0b2aa2b7afe3b08429557d9e10136172cea3f3c 100644
--- a/bfps/cpp/particles/lock_free_bool_array.hpp
+++ b/bfps/cpp/particles/lock_free_bool_array.hpp
@@ -18,10 +18,8 @@ public:
     void lock(const int inKey){
         volatile long int* k = keys[inKey%keys.size()].get();
         long int res = 1;
-        int cpt = 0;
         while(res == 1){
             res = __sync_val_compare_and_swap(k, 0, res);
-            cpt++;
         }
     }