diff --git a/src/basic/stat-util.h b/src/basic/stat-util.h
index cb736c36dd..dc11a85f62 100644
--- a/src/basic/stat-util.h
+++ b/src/basic/stat-util.h
@@ -12,6 +12,7 @@
 #include "macro.h"
 #include "missing_stat.h"
 #include "siphash24.h"
+#include "time-util.h"
 
 int is_symlink(const char *path);
 int is_dir_full(int atfd, const char *fname, bool follow);
@@ -109,6 +110,13 @@ int xstatfsat(int dir_fd, const char *path, struct statfs *ret);
         } var
 #endif
 
+static inline usec_t statx_timestamp_load(const struct statx_timestamp *ts) {
+        return timespec_load(&(const struct timespec) { .tv_sec = ts->tv_sec, .tv_nsec = ts->tv_nsec });
+}
+static inline nsec_t statx_timestamp_load_nsec(const struct statx_timestamp *ts) {
+        return timespec_load_nsec(&(const struct timespec) { .tv_sec = ts->tv_sec, .tv_nsec = ts->tv_nsec });
+}
+
 void inode_hash_func(const struct stat *q, struct siphash *state);
 int inode_compare_func(const struct stat *a, const struct stat *b);
 extern const struct hash_ops inode_hash_ops;
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index 5d8f45b5df..aa6e72207f 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -45,7 +45,6 @@
 #include "log.h"
 #include "macro.h"
 #include "main-func.h"
-#include "missing_stat.h"
 #include "missing_syscall.h"
 #include "mkdir-label.h"
 #include "mount-util.h"
@@ -64,6 +63,7 @@
 #include "set.h"
 #include "sort-util.h"
 #include "specifier.h"
+#include "stat-util.h"
 #include "stdio-util.h"
 #include "string-table.h"
 #include "string-util.h"
@@ -556,18 +556,6 @@ static DIR* opendir_nomod(const char *path) {
         return xopendirat_nomod(AT_FDCWD, path);
 }
 
-static nsec_t load_statx_timestamp_nsec(const struct statx_timestamp *ts) {
-        assert(ts);
-
-        if (ts->tv_sec < 0)
-                return NSEC_INFINITY;
-
-        if ((nsec_t) ts->tv_sec >= (UINT64_MAX - ts->tv_nsec) / NSEC_PER_SEC)
-                return NSEC_INFINITY;
-
-        return ts->tv_sec * NSEC_PER_SEC + ts->tv_nsec;
-}
-
 static bool needs_cleanup(
                 nsec_t atime,
                 nsec_t btime,
@@ -710,10 +698,10 @@ static int dir_cleanup(
                         }
                 }
 
-                atime_nsec = FLAGS_SET(sx.stx_mask, STATX_ATIME) ? load_statx_timestamp_nsec(&sx.stx_atime) : 0;
-                mtime_nsec = FLAGS_SET(sx.stx_mask, STATX_MTIME) ? load_statx_timestamp_nsec(&sx.stx_mtime) : 0;
-                ctime_nsec = FLAGS_SET(sx.stx_mask, STATX_CTIME) ? load_statx_timestamp_nsec(&sx.stx_ctime) : 0;
-                btime_nsec = FLAGS_SET(sx.stx_mask, STATX_BTIME) ? load_statx_timestamp_nsec(&sx.stx_btime) : 0;
+                atime_nsec = FLAGS_SET(sx.stx_mask, STATX_ATIME) ? statx_timestamp_load_nsec(&sx.stx_atime) : 0;
+                mtime_nsec = FLAGS_SET(sx.stx_mask, STATX_MTIME) ? statx_timestamp_load_nsec(&sx.stx_mtime) : 0;
+                ctime_nsec = FLAGS_SET(sx.stx_mask, STATX_CTIME) ? statx_timestamp_load_nsec(&sx.stx_ctime) : 0;
+                btime_nsec = FLAGS_SET(sx.stx_mask, STATX_BTIME) ? statx_timestamp_load_nsec(&sx.stx_btime) : 0;
 
                 sub_path = path_join(p, de->d_name);
                 if (!sub_path) {
@@ -3034,8 +3022,8 @@ static int clean_item_instance(
         }
 
         return dir_cleanup(c, i, instance, d,
-                           load_statx_timestamp_nsec(&sx.stx_atime),
-                           load_statx_timestamp_nsec(&sx.stx_mtime),
+                           statx_timestamp_load_nsec(&sx.stx_atime),
+                           statx_timestamp_load_nsec(&sx.stx_mtime),
                            cutoff * NSEC_PER_USEC,
                            sx.stx_dev_major, sx.stx_dev_minor, mountpoint,
                            MAX_DEPTH, i->keep_first_level,