diff --git a/include/loot/metadata/plugin_metadata.h b/include/loot/metadata/plugin_metadata.h
index 85c30004..b3a1dba0 100644
--- a/include/loot/metadata/plugin_metadata.h
+++ b/include/loot/metadata/plugin_metadata.h
@@ -32,7 +32,6 @@
 #include <vector>
 
 #include "loot/api_decorator.h"
-#include "loot/yaml/set.h"
 #include "loot/metadata/file.h"
 #include "loot/metadata/location.h"
 #include "loot/metadata/message.h"
diff --git a/src/gui/state/loot_state.cpp b/src/gui/state/loot_state.cpp
index e4ade735..15c5ad56 100644
--- a/src/gui/state/loot_state.cpp
+++ b/src/gui/state/loot_state.cpp
@@ -24,6 +24,8 @@
 
 #include "gui/state/loot_state.h"
 
+#include <unordered_set>
+
 #include <boost/algorithm/string.hpp>
 #include <boost/filesystem/fstream.hpp>
 #include <boost/format.hpp>