diff --git a/lib/curlx/timeval.c b/lib/curlx/timeval.c
index 2363e60839..7e9f3f71e8 100644
--- a/lib/curlx/timeval.c
+++ b/lib/curlx/timeval.c
@@ -27,7 +27,7 @@
 
 #include "system_win32.h"
 
-LARGE_INTEGER Curl_freq;
+static LARGE_INTEGER Curl_freq;
 
 /* For tool or tests, we must initialize before calling curlx_now().
    Providing this function here is wrong. */
diff --git a/lib/system_win32.h b/lib/system_win32.h
index 8a51f09670..d504b563db 100644
--- a/lib/system_win32.h
+++ b/lib/system_win32.h
@@ -26,8 +26,6 @@
 #include "curl_setup.h"
 
 #ifdef _WIN32
-extern LARGE_INTEGER Curl_freq;
-
 CURLcode Curl_win32_init(long flags);
 void Curl_win32_cleanup(long init_flags);
 #else