diff --git a/cpp/zimt/visqol.cc b/cpp/zimt/visqol.cc
index 0397d20..9d1c8ca 100644
--- a/cpp/zimt/visqol.cc
+++ b/cpp/zimt/visqol.cc
@@ -18,7 +18,6 @@
 #include <cstring>
 #include <filesystem>
 #include <fstream>
-#include <random>
 #include <string>
 #include <vector>