diff --git a/src/RayTracer.cc b/src/RayTracer.cc
index bdd3e3a..575585b 100644
--- a/src/RayTracer.cc
+++ b/src/RayTracer.cc
@@ -1,5 +1,4 @@
 #include "RayTracer.h"
-#include "../external/simpleppm.h"
 #include "HitRecord.h"
 #include "Output.h"
 #include "Parser.h"
@@ -76,11 +75,6 @@ void RayTracer::render() {
     }
 }
 
-void RayTracer::output() {
-  for (auto output : outputs)
-    output->write();
-}
-
 void RayTracer::run() {
   parse();
 
diff --git a/src/RayTracer.h b/src/RayTracer.h
index 764bd05..7660665 100644
--- a/src/RayTracer.h
+++ b/src/RayTracer.h
@@ -24,7 +24,6 @@ private:
   void parse();
   void calculateColor(const HitRecord &, int);
   void render();
-  void output();
 };
 
 #endif // !RAY_TRACER_H_