diff --git a/vanetza/security/v2/sign_service.cpp b/vanetza/security/v2/sign_service.cpp
index ab6beacb0..93693acbc 100644
--- a/vanetza/security/v2/sign_service.cpp
+++ b/vanetza/security/v2/sign_service.cpp
@@ -5,7 +5,6 @@
 #include <vanetza/security/v2/sign_header_policy.hpp>
 #include <vanetza/security/v2/sign_service.hpp>
 #include <vanetza/security/v2/signature.hpp>
-#include <future>
 
 namespace vanetza
 {
diff --git a/vanetza/security/v2/signature.hpp b/vanetza/security/v2/signature.hpp
index a580bac18..5aa397e7f 100644
--- a/vanetza/security/v2/signature.hpp
+++ b/vanetza/security/v2/signature.hpp
@@ -7,7 +7,6 @@
 #include <vanetza/security/v2/serialization.hpp>
 #include <boost/optional/optional.hpp>
 #include <boost/variant/variant.hpp>
-#include <future>
 
 namespace vanetza
 {