diff --git a/y2018/control_loops/superstructure/arm/graph.cc b/y2018/control_loops/superstructure/arm/graph.cc
index 54ec79d..ad6f982 100644
--- a/y2018/control_loops/superstructure/arm/graph.cc
+++ b/y2018/control_loops/superstructure/arm/graph.cc
@@ -1,7 +1,7 @@
 #include "y2018/control_loops/superstructure/arm/graph.h"
 
-#include <assert.h>
 #include <algorithm>
+#include <cassert>
 
 namespace y2018 {
 namespace control_loops {
diff --git a/y2018/control_loops/superstructure/arm/graph.h b/y2018/control_loops/superstructure/arm/graph.h
index 6724eac..5d49dd0 100644
--- a/y2018/control_loops/superstructure/arm/graph.h
+++ b/y2018/control_loops/superstructure/arm/graph.h
@@ -1,9 +1,9 @@
 #ifndef Y2018_CONTROL_LOOPS_SUPERSTRUCTURE_ARM_GRAPH_H_
 #define Y2018_CONTROL_LOOPS_SUPERSTRUCTURE_ARM_GRAPH_H_
 
-#include <assert.h>
-#include <stdlib.h>
 #include <algorithm>
+#include <cassert>
+#include <cstdlib>
 #include <limits>
 #include <memory>
 #include <vector>
diff --git a/y2018/control_loops/superstructure/intake/intake.h b/y2018/control_loops/superstructure/intake/intake.h
index 7bc3986..09a7e4d 100644
--- a/y2018/control_loops/superstructure/intake/intake.h
+++ b/y2018/control_loops/superstructure/intake/intake.h
@@ -1,7 +1,7 @@
 #ifndef Y2018_CONTROL_LOOPS_SUPERSTRUCTURE_INTAKE_INTAKE_H_
 #define Y2018_CONTROL_LOOPS_SUPERSTRUCTURE_INTAKE_INTAKE_H_
 
-#include <math.h>
+#include <cmath>
 
 #include "aos/commonmath.h"
 #include "frc971/control_loops/control_loop.h"