diff --git a/test/test-poll-close-doesnt-corrupt-stack.c b/test/test-poll-close-doesnt-corrupt-stack.c
index 3393820fc..1d7e84f60 100644
--- a/test/test-poll-close-doesnt-corrupt-stack.c
+++ b/test/test-poll-close-doesnt-corrupt-stack.c
@@ -31,11 +31,9 @@
 # define NO_INLINE __attribute__ ((noinline))
 #endif
 
-
-uv_os_sock_t sock;
-uv_poll_t handle;
-
 #ifdef _WIN32
+static uv_os_sock_t sock;
+static uv_poll_t handle;
 static int close_cb_called = 0;
 
 
diff --git a/test/test-poll-closesocket.c b/test/test-poll-closesocket.c
index ecaa9e54a..1a1c36411 100644
--- a/test/test-poll-closesocket.c
+++ b/test/test-poll-closesocket.c
@@ -25,10 +25,9 @@
 #include "uv.h"
 #include "task.h"
 
-uv_os_sock_t sock;
-uv_poll_t handle;
-
 #ifdef _WIN32
+static uv_os_sock_t sock;
+static uv_poll_t handle;
 static int close_cb_called = 0;