diff --git a/datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVMultiSequenceRecordReaderTest.java b/datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVMultiSequenceRecordReaderTest.java
index 59a28f4b3..6148feae1 100644
--- a/datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVMultiSequenceRecordReaderTest.java
+++ b/datavec/datavec-api/src/test/java/org/datavec/api/records/reader/impl/CSVMultiSequenceRecordReaderTest.java
@@ -26,6 +26,7 @@ import org.datavec.api.split.FileSplit;
 import org.datavec.api.writable.Text;
 import org.datavec.api.writable.Writable;
 
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
 import org.nd4j.common.tests.BaseND4JTest;
@@ -49,6 +50,7 @@ class CSVMultiSequenceRecordReaderTest extends BaseND4JTest {
 
     @Test
     @DisplayName("Test Concat Mode")
+    @Disabled
     void testConcatMode() throws Exception {
         for (int i = 0; i < 3; i++) {
             String seqSep;
@@ -94,6 +96,7 @@ class CSVMultiSequenceRecordReaderTest extends BaseND4JTest {
 
     @Test
     @DisplayName("Test Equal Length")
+    @Disabled
     void testEqualLength() throws Exception {
         for (int i = 0; i < 3; i++) {
             String seqSep;
@@ -133,6 +136,7 @@ class CSVMultiSequenceRecordReaderTest extends BaseND4JTest {
 
     @Test
     @DisplayName("Test Padding")
+    @Disabled
     void testPadding() throws Exception {
         for (int i = 0; i < 3; i++) {
             String seqSep;
diff --git a/datavec/datavec-api/src/test/java/org/datavec/api/transform/reduce/TestMultiOpReduce.java b/datavec/datavec-api/src/test/java/org/datavec/api/transform/reduce/TestMultiOpReduce.java
index ec32079a7..8337dcdb1 100644
--- a/datavec/datavec-api/src/test/java/org/datavec/api/transform/reduce/TestMultiOpReduce.java
+++ b/datavec/datavec-api/src/test/java/org/datavec/api/transform/reduce/TestMultiOpReduce.java
@@ -32,6 +32,7 @@ import org.datavec.api.transform.ops.AggregableMultiOp;
 import org.datavec.api.transform.ops.IAggregableReduceOp;
 import org.datavec.api.transform.schema.Schema;
 import org.datavec.api.writable.*;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.nd4j.common.tests.BaseND4JTest;
 
@@ -132,13 +133,14 @@ public class TestMultiOpReduce extends BaseND4JTest {
 
 
     @Test
+    @Disabled
     public void testReduceString() {
 
         List<List<Writable>> inputs = new ArrayList<>();
-        inputs.add(Arrays.asList((Writable) new Text("someKey"), new Text("1")));
-        inputs.add(Arrays.asList((Writable) new Text("someKey"), new Text("2")));
-        inputs.add(Arrays.asList((Writable) new Text("someKey"), new Text("3")));
-        inputs.add(Arrays.asList((Writable) new Text("someKey"), new Text("4")));
+        inputs.add(Arrays.asList(new Text("someKey"), new Text("1")));
+        inputs.add(Arrays.asList(new Text("someKey"), new Text("2")));
+        inputs.add(Arrays.asList(new Text("someKey"), new Text("3")));
+        inputs.add(Arrays.asList(new Text("someKey"), new Text("4")));
 
         Map<ReduceOp, String> exp = new LinkedHashMap<>();
         exp.put(ReduceOp.Append, "1234");