diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index a44c976..fd587a0 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -16,8 +16,6 @@
 #include "compile.h"
 #include "eval.h"
 
-#include "mymath.h"
-
 #include <ctype.h>
 
 #ifdef HAVE_UNISTD_H
diff --git a/Python/fmod.c b/Python/fmod.c
index 07283bc..dcd1e62 100644
--- a/Python/fmod.c
+++ b/Python/fmod.c
@@ -12,7 +12,7 @@
 
 #include "config.h"
 
-#include "mymath.h"
+#include "pyport.h"
 #include <errno.h>
 
 double
diff --git a/Python/hypot.c b/Python/hypot.c
index b21deea..939dedd 100644
--- a/Python/hypot.c
+++ b/Python/hypot.c
@@ -1,8 +1,7 @@
 /* hypot() replacement */
 
 #include "config.h"
-#include "myproto.h"
-#include "mymath.h"
+#include "pyport.h"
 
 double hypot(double x, double y)
 {