diff --git a/builtin/log.c b/builtin/log.c
index 6f9928fabf..c40ebe1c3f 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -295,6 +295,12 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
 	cmd_log_init_finish(argc, argv, prefix, rev, opt);
 }
 
+static int cmd_log_deinit(int ret, struct rev_info *rev)
+{
+	release_revisions(rev);
+	return ret;
+}
+
 /*
  * This gives a rough estimate for how many commits we
  * will print out in the list.
@@ -558,7 +564,7 @@ int cmd_whatchanged(int argc, const char **argv, const char *prefix)
 	cmd_log_init(argc, argv, prefix, &rev, &opt);
 	if (!rev.diffopt.output_format)
 		rev.diffopt.output_format = DIFF_FORMAT_RAW;
-	return cmd_log_walk(&rev);
+	return cmd_log_deinit(cmd_log_walk(&rev), &rev);
 }
 
 static void show_tagger(const char *buf, struct rev_info *rev)
@@ -677,7 +683,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
 	cmd_log_init(argc, argv, prefix, &rev, &opt);
 
 	if (!rev.no_walk)
-		return cmd_log_walk(&rev);
+		return cmd_log_deinit(cmd_log_walk(&rev), &rev);
 
 	count = rev.pending.nr;
 	objects = rev.pending.objects;
@@ -732,8 +738,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
 			ret = error(_("unknown type: %d"), o->type);
 		}
 	}
-	free(objects);
-	return ret;
+	return cmd_log_deinit(ret, &rev);
 }
 
 /*
@@ -761,7 +766,7 @@ int cmd_log_reflog(int argc, const char **argv, const char *prefix)
 	rev.always_show_header = 1;
 	cmd_log_init_finish(argc, argv, prefix, &rev, &opt);
 
-	return cmd_log_walk(&rev);
+	return cmd_log_deinit(cmd_log_walk(&rev), &rev);
 }
 
 static void log_setup_revisions_tweak(struct rev_info *rev,
@@ -792,7 +797,7 @@ int cmd_log(int argc, const char **argv, const char *prefix)
 	opt.revarg_opt = REVARG_COMMITTISH;
 	opt.tweak = log_setup_revisions_tweak;
 	cmd_log_init(argc, argv, prefix, &rev, &opt);
-	return cmd_log_walk(&rev);
+	return cmd_log_deinit(cmd_log_walk(&rev), &rev);
 }
 
 /* format-patch */
@@ -2289,8 +2294,7 @@ done:
 	if (rev.ref_message_ids)
 		string_list_clear(rev.ref_message_ids, 0);
 	free(rev.ref_message_ids);
-	UNLEAK(rev);
-	return 0;
+	return cmd_log_deinit(0, &rev);
 }
 
 static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
diff --git a/t/t4126-apply-empty.sh b/t/t4126-apply-empty.sh
index 33860d3829..66a7ba8ab8 100755
--- a/t/t4126-apply-empty.sh
+++ b/t/t4126-apply-empty.sh
@@ -2,8 +2,6 @@
 
 test_description='apply empty'
 
-
-TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '