diff --git a/sys/dev/hwpmc/hwpmc_mod.c b/sys/dev/hwpmc/hwpmc_mod.c
index 6133b52b516..9533cb81b4a 100644
--- a/sys/dev/hwpmc/hwpmc_mod.c
+++ b/sys/dev/hwpmc/hwpmc_mod.c
@@ -198,7 +198,6 @@ static int	pmc_debugflags_sysctl_handler(SYSCTL_HANDLER_ARGS);
 static int	pmc_debugflags_parse(char *newstr, char *fence);
 #endif
 
-static bool	pmc_is_multipart(struct pmc_sample *ps);
 static void	pmc_multipart_add(struct pmc_sample *ps, int type,
     int length);
 static void	pmc_multipart_copydata(struct pmc_sample *ps,
@@ -4636,12 +4635,6 @@ pmc_post_callchain_callback(void)
 	return;
 }
 
-static bool
-pmc_is_multipart(struct pmc_sample *ps)
-{
-	return ((ps->ps_flags & PMC_CC_F_MULTIPART) != 0);
-}
-
 static void
 pmc_multipart_add(struct pmc_sample *ps, int type, int length)
 {