diff --git a/include/qpdf/QPDFExc.hh b/include/qpdf/QPDFExc.hh
index b358970..647c078 100644
--- a/include/qpdf/QPDFExc.hh
+++ b/include/qpdf/QPDFExc.hh
@@ -10,8 +10,6 @@
 
 #include <qpdf/DLL.h>
 #include <qpdf/Constants.h>
-#include <qpdf/QUtil.hh>
-
 
 class DLL_EXPORT QPDFExc: public std::runtime_error
 {
diff --git a/include/qpdf/qpdf-c.h b/include/qpdf/qpdf-c.h
index a006c22..4b779d1 100644
--- a/include/qpdf/qpdf-c.h
+++ b/include/qpdf/qpdf-c.h
@@ -63,11 +63,6 @@
 
 #include <qpdf/DLL.h>
 #include <qpdf/Constants.h>
-#ifdef _WIN32
-# include <io.h>
-#else
-# include <fcntl.h>
-#endif
 
 #ifdef __cplusplus
 extern "C" {