diff --git a/sys_solaris.c b/sys_solaris.c
index 6c018ee..463f80c 100644
--- a/sys_solaris.c
+++ b/sys_solaris.c
@@ -83,6 +83,8 @@ static int index=0;
 /* If 1, need to run dosynctodr().  If 0, don't */
 static int need_dosynctodr = -1;
 
+/* Interval in seconds between adjustments to cancel systematic drift */
+#define DRIFT_REMOVAL_INTERVAL (4.0)
 
 #define GET_ZERO (zeroes[index^=1])
 
@@ -305,9 +307,6 @@ immediate_step(void)
 
 /* ================================================== */
 
-/* Interval in seconds between adjustments to cancel systematic drift */
-#define DRIFT_REMOVAL_INTERVAL (4.0)
-
 static int drift_removal_running = 0;
 static SCH_TimeoutID drift_removal_id;
 
diff --git a/sys_sunos.c b/sys_sunos.c
index 1e7f3ab..f3eb608 100644
--- a/sys_sunos.c
+++ b/sys_sunos.c
@@ -76,6 +76,9 @@ static double adjustment_requested;
    */
 static unsigned long our_tickadj = 100;
 
+/* Interval in seconds between adjustments to cancel systematic drift */
+#define DRIFT_REMOVAL_INTERVAL (4.0)
+
 /* ================================================== */
 
 static void
@@ -291,9 +294,6 @@ immediate_step(void)
 
 /* ================================================== */
 
-/* Interval in seconds between adjustments to cancel systematic drift */
-#define DRIFT_REMOVAL_INTERVAL (4.0)
-
 static int drift_removal_running = 0;
 static SCH_TimeoutID drift_removal_id;