diff --git a/hpvm/projects/hpvm-tensor-rt/soc_simulator/promise_timing_model.h b/hpvm/projects/hpvm-tensor-rt/soc_simulator/promise_timing_model.h
index 6ff5592d19cca115c6afbc9cb606c731ee9f9fe8..3ce29509b4226eb590b2b7e3ece9346ebf5048ed 100644
--- a/hpvm/projects/hpvm-tensor-rt/soc_simulator/promise_timing_model.h
+++ b/hpvm/projects/hpvm-tensor-rt/soc_simulator/promise_timing_model.h
@@ -1,7 +1,6 @@
 #include <iostream>
 #include <fstream>
 #include <string>
-#include <boost/algorithm/string.hpp>
 
 #include <cmath>
 #include <cassert>