diff --git a/ebml/IOCallback.h b/ebml/IOCallback.h
index ef35592e..c3de08ba 100644
--- a/ebml/IOCallback.h
+++ b/ebml/IOCallback.h
@@ -10,11 +10,7 @@
 #include "EbmlConfig.h"
 #include "EbmlTypes.h"
 
-#include <cassert>
-#include <exception>
 #include <cstdio>
-#include <cstddef>
-// #include <iostream>
 
 
 namespace libebml {
diff --git a/ebml/SafeReadIOCallback.h b/ebml/SafeReadIOCallback.h
index 5620071b..dda86ce1 100644
--- a/ebml/SafeReadIOCallback.h
+++ b/ebml/SafeReadIOCallback.h
@@ -12,6 +12,7 @@
 #include "IOCallback.h"
 
 #include <memory>
+#include <exception>
 
 namespace libebml {