diff --git a/unix/uxmisc.c b/unix/uxmisc.c
index 0b04d211..28ae83a2 100644
--- a/unix/uxmisc.c
+++ b/unix/uxmisc.c
@@ -4,27 +4,21 @@
 
 #include <stdio.h>
 #include <unistd.h>
-#include <time.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <pwd.h>
 
 #include "putty.h"
 
-/*
- * We want to use milliseconds rather than microseconds or nanoseconds,
- * because we need a decent number of them to fit into a 32-bit
- * word so it can be used for keepalives.
- */
 unsigned long getticks(void)
 {
     struct timeval tv;
-#ifdef CLOCK_MONOTONIC
-    struct timespec ts;
-    if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
-	    return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
-#endif
     gettimeofday(&tv, NULL);
+    /*
+     * We want to use milliseconds rather than microseconds,
+     * because we need a decent number of them to fit into a 32-bit
+     * word so it can be used for keepalives.
+     */
     return tv.tv_sec * 1000 + tv.tv_usec / 1000;
 }