diff --git a/include/spdlog/details/os-inl.h b/include/spdlog/details/os-inl.h
index 35a8934a..cf11e622 100644
--- a/include/spdlog/details/os-inl.h
+++ b/include/spdlog/details/os-inl.h
@@ -16,7 +16,6 @@
 #include <cstring>
 #include <ctime>
 #include <string>
-#include <sstream>
 #include <thread>
 #include <array>
 #include <sys/stat.h>