diff --git a/include/pocketpy/base64.h b/include/pocketpy/base64.h
index 44f5f3e8..0bbf6b17 100644
--- a/include/pocketpy/base64.h
+++ b/include/pocketpy/base64.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "cffi.h"
+#include "bindings.h"
 
 namespace pkpy {
 
diff --git a/include/pocketpy/collections.h b/include/pocketpy/collections.h
index 446f9da5..35f856f9 100644
--- a/include/pocketpy/collections.h
+++ b/include/pocketpy/collections.h
@@ -1,11 +1,6 @@
 #pragma once
 
-#include "obj.h"
-#include "common.h"
-#include "memory.h"
-#include "str.h"
-#include "iter.h"
-#include "cffi.h"
+#include "bindings.h"
 
 namespace pkpy
 {
diff --git a/include/pocketpy/csv.h b/include/pocketpy/csv.h
index 8149fd09..87d816c8 100644
--- a/include/pocketpy/csv.h
+++ b/include/pocketpy/csv.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "cffi.h"
+#include "bindings.h"
 
 namespace pkpy {
 
diff --git a/include/pocketpy/dataclasses.h b/include/pocketpy/dataclasses.h
index e45b7c25..fe3fcb5f 100644
--- a/include/pocketpy/dataclasses.h
+++ b/include/pocketpy/dataclasses.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "cffi.h"
+#include "bindings.h"
 
 namespace pkpy{
 
diff --git a/include/pocketpy/easing.h b/include/pocketpy/easing.h
index 4b6acacf..1c69f8a1 100644
--- a/include/pocketpy/easing.h
+++ b/include/pocketpy/easing.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "cffi.h"
+#include "bindings.h"
 
 namespace pkpy{
 
diff --git a/include/pocketpy/io.h b/include/pocketpy/io.h
index a987a961..2ef3d74f 100644
--- a/include/pocketpy/io.h
+++ b/include/pocketpy/io.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "cffi.h"
+#include "bindings.h"
 
 namespace pkpy{
     unsigned char* _default_import_handler(const char*, int, int*);
diff --git a/include/pocketpy/modules.h b/include/pocketpy/modules.h
index 155c5f5e..f3ee4415 100644
--- a/include/pocketpy/modules.h
+++ b/include/pocketpy/modules.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include "bindings.h"
 
 namespace pkpy{