diff --git a/core/src/test/java/org/opensearch/sql/expression/datetime/DateTimeFunctionTest.java b/core/src/test/java/org/opensearch/sql/expression/datetime/DateTimeFunctionTest.java
index 53340fc014..2f650eeda3 100644
--- a/core/src/test/java/org/opensearch/sql/expression/datetime/DateTimeFunctionTest.java
+++ b/core/src/test/java/org/opensearch/sql/expression/datetime/DateTimeFunctionTest.java
@@ -1773,23 +1773,6 @@ public void testTimeFormatAndDateFormatReturnSameResult() {
     assertEquals(eval(dateFormatExpr), eval(timeFormatExpr));
   }
 
-  @Test
-  public void testTimestampBracket() {
-    FunctionExpression expr = DSL.time_format(
-            functionProperties,
-            DSL.literal(new ExprDateValue("2023-01-16")),
-            DSL.literal(new ExprStringValue("%h %s")));
-
-    assertEquals(
-            expr.toString(),
-            "time_format(DATE '2023-01-16', \"%h %s\")"
-    );
-    assertEquals(
-            "\"12 00\"",
-            eval(expr).toString()
-    );
-  }
-
   private ExprValue eval(Expression expression) {
     return expression.valueOf();
   }
diff --git a/integ-test/src/test/java/org/opensearch/sql/legacy/QueryIT.java b/integ-test/src/test/java/org/opensearch/sql/legacy/QueryIT.java
index 09241a3e66..eeff107f15 100644
--- a/integ-test/src/test/java/org/opensearch/sql/legacy/QueryIT.java
+++ b/integ-test/src/test/java/org/opensearch/sql/legacy/QueryIT.java
@@ -746,7 +746,6 @@ public void dateSearch() throws IOException {
     }
   }
 
-  @Ignore
   @Test
   public void dateSearchBraces() throws IOException {
     DateTimeFormatter formatter = DateTimeFormat.forPattern(TestsConstants.TS_DATE_FORMAT);
diff --git a/integ-test/src/test/java/org/opensearch/sql/sql/DateTimeFunctionIT.java b/integ-test/src/test/java/org/opensearch/sql/sql/DateTimeFunctionIT.java
index f1119276b6..b969de7ec6 100644
--- a/integ-test/src/test/java/org/opensearch/sql/sql/DateTimeFunctionIT.java
+++ b/integ-test/src/test/java/org/opensearch/sql/sql/DateTimeFunctionIT.java
@@ -1298,6 +1298,14 @@ public void testTimestampBracket() throws IOException {
     result = executeQuery("select {ts '2020-09-16 17:30:00'}");
     verifySchema(result, schema("{ts '2020-09-16 17:30:00'}", null, "timestamp"));
     verifyDataRows(result, rows("2020-09-16 17:30:00"));
+
+    result = executeQuery("select {timestamp '2020-09-16 17:30:00.123'}");
+    verifySchema(result, schema("{timestamp '2020-09-16 17:30:00.123'}", null, "timestamp"));
+    verifyDataRows(result, rows("2020-09-16 17:30:00.123"));
+
+    result = executeQuery("select {ts '2020-09-16 17:30:00.123'}");
+    verifySchema(result, schema("{ts '2020-09-16 17:30:00.123'}", null, "timestamp"));
+    verifyDataRows(result, rows("2020-09-16 17:30:00.123"));
   }
 
   @Test
@@ -1309,6 +1317,14 @@ public void testTimeBracket() throws IOException {
     result = executeQuery("select {t '17:30:00'}");
     verifySchema(result, schema("{t '17:30:00'}", null, "time"));
     verifyDataRows(result, rows("17:30:00"));
+
+    result = executeQuery("select {time '17:30:00'}");
+    verifySchema(result, schema("{time '17:30:00'}", null, "time"));
+    verifyDataRows(result, rows("17:30:00"));
+
+    result = executeQuery("select {t '17:30:00'}");
+    verifySchema(result, schema("{t '17:30:00'}", null, "time"));
+    verifyDataRows(result, rows("17:30:00"));
   }
 
   @Test
diff --git a/sql/src/main/java/org/opensearch/sql/sql/parser/AstExpressionBuilder.java b/sql/src/main/java/org/opensearch/sql/sql/parser/AstExpressionBuilder.java
index 683ac60f01..7279553106 100644
--- a/sql/src/main/java/org/opensearch/sql/sql/parser/AstExpressionBuilder.java
+++ b/sql/src/main/java/org/opensearch/sql/sql/parser/AstExpressionBuilder.java
@@ -9,7 +9,6 @@
 import static org.opensearch.sql.ast.dsl.AstDSL.between;
 import static org.opensearch.sql.ast.dsl.AstDSL.not;
 import static org.opensearch.sql.ast.dsl.AstDSL.qualifiedName;
-import static org.opensearch.sql.expression.function.BuiltinFunctionName.DATETIME;
 import static org.opensearch.sql.expression.function.BuiltinFunctionName.IS_NOT_NULL;
 import static org.opensearch.sql.expression.function.BuiltinFunctionName.IS_NULL;
 import static org.opensearch.sql.expression.function.BuiltinFunctionName.LIKE;