diff --git a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBigQueryJDBCTest.java b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBigQueryJDBCTest.java
index e0d41f713719..67c36a641cd5 100644
--- a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBigQueryJDBCTest.java
+++ b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITBigQueryJDBCTest.java
@@ -103,7 +103,6 @@ public static void afterClass() throws SQLException {
   }
 
   @Test
-  @Tag("known_issue") // b/539615199
   @Tag("disable_tpc")
   public void testValidAllDataTypesSerializationFromSelectQueryArrowDataset() throws SQLException {
     String DATASET = "JDBC_INTEGRATION_DATASET";
@@ -2509,7 +2508,6 @@ private void validate(
   }
 
   @Test
-  @Tag("known_issue") // b/539615199
   public void validateGetString() throws Exception {
     final ImmutableMap<String, Object> stringResults =
         new ImmutableMap.Builder<String, Object>()
@@ -2682,7 +2680,6 @@ public void validateGetShort() throws Exception {
   }
 
   @Test
-  @Tag("known_issue") // b/539615199
   public void validateGetTime() throws Exception {
     final ImmutableMap<String, Object> result =
         new ImmutableMap.Builder<String, Object>()
@@ -2721,7 +2718,6 @@ public void validateGetDate() throws Exception {
   }
 
   @Test
-  @Tag("known_issue") // b/539615199
   public void validateGetTimestamp() throws Exception {
     final ImmutableMap<String, Object> result =
         new ImmutableMap.Builder<String, Object>()
diff --git a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITNightlyBigQueryTest.java b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITNightlyBigQueryTest.java
index b51a0e63889d..dd84c1cd3885 100644
--- a/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITNightlyBigQueryTest.java
+++ b/java-bigquery-jdbc/src/test/java/com/google/cloud/bigquery/jdbc/it/ITNightlyBigQueryTest.java
@@ -1041,7 +1041,6 @@ public void testMultipleExecuteBatches() throws SQLException {
   }
 
   @Test
-  @Tag("known_issue") // b/539615199
   @Tag("disable_tpc")
   public void testValidAllDataTypesSerializationFromSelectQuery() throws SQLException {
     String DATASET = "JDBC_INTEGRATION_DATASET";
@@ -1100,7 +1099,6 @@ public void testRepeatedStructFromSelectQuery() throws SQLException {
   }
 
   @Test
-  @Tag("known_issue") // b/539615199
   @Tag("disable_tpc")
   public void testValidAllDataTypesSerializationFromSelectQueryArrowDataset() throws SQLException {
     String DATASET = "JDBC_INTEGRATION_DATASET";