diff --git a/accessibility-checker-engine/src/v4/rules/label_ref_valid.ts b/accessibility-checker-engine/src/v4/rules/label_ref_valid.ts
index f83962f38..9e1a5b81f 100644
--- a/accessibility-checker-engine/src/v4/rules/label_ref_valid.ts
+++ b/accessibility-checker-engine/src/v4/rules/label_ref_valid.ts
@@ -11,7 +11,7 @@
limitations under the License.
*****************************************************************************/
-import { Rule, RuleResult, RuleFail, RuleContext, RulePotential, RuleManual, RulePass, RuleContextHierarchy } from "../api/IRule";
+import { Rule, RuleResult, RuleFail, RuleContext, RulePass, RuleContextHierarchy } from "../api/IRule";
import { eRulePolicy, eToolkitLevel } from "../api/IRule";
import { FragmentUtil } from "../../v2/checker/accessibility/util/fragment";
import { VisUtil } from "../../v2/dom/VisUtil";
diff --git a/accessibility-checker-engine/test/v2/checker/accessibility/rules/input_label_exists_ruleunit/input-datetime.html b/accessibility-checker-engine/test/v2/checker/accessibility/rules/input_label_exists_ruleunit/input-datetime.html
new file mode 100755
index 000000000..225a76b55
--- /dev/null
+++ b/accessibility-checker-engine/test/v2/checker/accessibility/rules/input_label_exists_ruleunit/input-datetime.html
@@ -0,0 +1,132 @@
+
+
+
+
+
+
+
+ RPT Test Suite
+
+
+
+
+skip to main content
+
+
+
+
+
+
+
+
+Input type Tests
+
+
+
+
+
+End
+
+
+
+
+