diff --git a/src/lib/openjpip/sock_manager.c b/src/lib/openjpip/sock_manager.c
index ec2455e8f..3c40be254 100644
--- a/src/lib/openjpip/sock_manager.c
+++ b/src/lib/openjpip/sock_manager.c
@@ -30,7 +30,6 @@
 
 #ifdef _WIN32
 #include <windows.h>
-typedef SSIZE_T ssize_t;
 #else
 #include <sys/types.h>
 #include <sys/socket.h>