diff --git a/poky/meta/classes/reproducible_build.bbclass b/poky/meta/classes/reproducible_build.bbclass
index f06e00d..ea643f2 100644
--- a/poky/meta/classes/reproducible_build.bbclass
+++ b/poky/meta/classes/reproducible_build.bbclass
@@ -41,6 +41,9 @@
 SDE_FILE = "${SDE_DIR}/__source_date_epoch.txt"
 SDE_DEPLOYDIR = "${WORKDIR}/deploy-source-date-epoch"
 
+# Enable compiler warning when the __TIME__, __DATE__ and __TIMESTAMP__ macros are used.
+TARGET_CC_ARCH_append_class-target = " -Wdate-time"
+
 # A SOURCE_DATE_EPOCH of '0' might be misinterpreted as no SDE
 export SOURCE_DATE_EPOCH_FALLBACK ??= "1302044400"
 
@@ -63,7 +66,7 @@
     if os.path.exists(sde_file):
         target = d.getVar('SDE_FILE')
         bb.debug(1, "Moving setscene SDE file %s -> %s" % (sde_file, target))
-        os.rename(sde_file, target)
+        bb.utils.rename(sde_file, target)
     else:
         bb.debug(1, "%s not found!" % sde_file)
 }