diff --git a/Modules/_ctypes/ctypes.h b/Modules/_ctypes/ctypes.h
index d5cb326..6de9a81 100644
--- a/Modules/_ctypes/ctypes.h
+++ b/Modules/_ctypes/ctypes.h
@@ -351,7 +351,6 @@
 };
 
 extern PyTypeObject PyCArg_Type;
-extern PyCArgObject *new_CArgObject(void);
 #define PyCArg_CheckExact(v)	    ((v)->ob_type == &PyCArg_Type)
 extern PyCArgObject *new_CArgObject(void);
 
diff --git a/Modules/_ctypes/malloc_closure.c b/Modules/_ctypes/malloc_closure.c
index 73fc0d9..105935e 100644
--- a/Modules/_ctypes/malloc_closure.c
+++ b/Modules/_ctypes/malloc_closure.c
@@ -32,7 +32,7 @@
 } ITEM;
 
 static ITEM *free_list;
-int _pagesize;
+static int _pagesize;
 
 static void more_core(void)
 {