diff --git a/vanity.hpp b/vanity.hpp
index d733b18..a50e6f6 100644
--- a/vanity.hpp
+++ b/vanity.hpp
@@ -9,7 +9,6 @@
 #include <thread>
 #include <unistd.h>
 #include <vector>
-#include <mutex>
 
 // sha256
 #define Ch(x, y, z)	((x & (y ^ z)) ^ z)
@@ -35,7 +34,6 @@
 	W[i] + k)
 
 
-static std::mutex thread_mutex;
 static i2p::data::SigningKeyType type;
 //static i2p::data::PrivateKeys keys;
 static bool found=false;