diff --git a/include/epoll.h b/include/epoll.h
index cc292ab..412f8f0 100644
--- a/include/epoll.h
+++ b/include/epoll.h
@@ -1,9 +1,6 @@
 #ifndef EPOLL_H_
 #define EPOLL_H_
 
-#include <WinSock2.h>
-#include <Windows.h>
-
 #include <stdint.h>
 
 #define EPOLLIN 0x001
@@ -32,9 +29,8 @@ typedef union epoll_data {
   int fd;
   uint32_t u32;
   uint64_t u64;
-  /* Windows-specific extensions. */
-  SOCKET sock;
-  HANDLE hnd;
+  /* SOCKET */ uintptr_t sock;
+  /* HANDLE */ void* hnd;
 } epoll_data_t;
 
 struct epoll_event {
@@ -48,7 +44,7 @@ int epoll_close(epoll_t epoll_hnd);
 
 int epoll_ctl(epoll_t epoll_hnd,
               int op,
-              SOCKET sock,
+              /* SOCKET */ uintptr_t sock,
               struct epoll_event* event);
 
 int epoll_wait(epoll_t epoll_hnd,
diff --git a/src/epoll.c b/src/epoll.c
index 604cb76..7e722fa 100644
--- a/src/epoll.c
+++ b/src/epoll.c
@@ -119,7 +119,7 @@ epoll_t epoll_create() {
 
 int epoll_ctl(epoll_t port_handle,
               int op,
-              SOCKET sock,
+              uintptr_t sock,
               struct epoll_event* ev) {
   epoll_port_data_t* port_data;
   SOCKET base_sock;