diff --git a/disas/nanomips.cpp b/disas/nanomips.cpp
index 7d09fd1a69..4b49630b8b 100644
--- a/disas/nanomips.cpp
+++ b/disas/nanomips.cpp
@@ -32,7 +32,6 @@
 
 #include <cstring>
 #include <stdexcept>
-#include <sstream>
 #include <stdio.h>
 #include <stdarg.h>