diff --git a/evaluator.hpp b/evaluator.hpp
index a2c234fb..4be1582d 100644
--- a/evaluator.hpp
+++ b/evaluator.hpp
@@ -1,5 +1,5 @@
 #ifndef EVALUATOR_HPP
-#define EVALUATOR HPP
+#define EVALUATOR_HPP
 
 #include <unordered_map>
 #include <string>
diff --git a/tile.cpp b/tile.cpp
index fd03a7e9..cdfba946 100644
--- a/tile.cpp
+++ b/tile.cpp
@@ -48,11 +48,7 @@
 #include "attribute.hpp"
 #include "thread.hpp"
 #include "shared_borders.hpp"
-
-extern "C" {
 #include "jsonpull/jsonpull.h"
-}
-
 #include "plugin.hpp"
 
 #define CMD_BITS 3