diff --git a/test/format/format_timestamp.c b/test/format/format_timestamp.c
index f4ecb17e24..65298e4f89 100644
--- a/test/format/format_timestamp.c
+++ b/test/format/format_timestamp.c
@@ -149,7 +149,7 @@ timestamp_once(WT_SESSION *session, bool allow_lag, bool final)
     g.stable_timestamp = stable_timestamp;
 
     if (FLD_ISSET(g.trace_flags, TRACE_TIMESTAMP))
-        trace_msg(session, "setts oldest=%" PRIu64 ", stable=%" PRIu64, g.oldest_timestamp,
+        trace_msg(session, "set ts oldest=%" PRIu64 ", stable=%" PRIu64, g.oldest_timestamp,
           g.stable_timestamp);
 }

diff --git a/bench/workgen/validate_mirror_tables.py b/bench/workgen/validate_mirror_tables.py
index 3d987711b7..d54a8d440d 100644
--- a/bench/workgen/validate_mirror_tables.py
+++ b/bench/workgen/validate_mirror_tables.py
@@ -34,7 +34,7 @@
 #
 # Note that the wiredtiger/tools directory must be on your PYTHONPATH.
 # ------------------------------------------------------------------------------
-import os, pathlib, re, sys
+import os, re, sys
 from contextlib import redirect_stdout
 from wt_tools_common import wiredtiger_open
 from wt_cmp_uri import wiredtiger_compare_uri