diff --git a/scrambling.cpp b/scrambling.cpp
index f9fb774..b0dc18f 100644
--- a/scrambling.cpp
+++ b/scrambling.cpp
@@ -20,7 +20,6 @@
 #include <cmath>
 #include <complex>
 #include <iostream>
-#include <iomanip>
 
 static double alpha, beta;
 std::complex<double> crossRatio (std::complex<double>, std::complex<double>, std::complex<double>, std::complex<double>);