diff --git a/omnioperator/omniop-openlookeng-extension/src/main/java/nova/hetu/olk/block/DictionaryOmniBlock.java b/omnioperator/omniop-openlookeng-extension/src/main/java/nova/hetu/olk/block/DictionaryOmniBlock.java
index 29e52d440160670795e12d3c5e350cb2b7182f98..e5f0bb63741e6f02c47976cb6037c74e2fa15ee8 100644
--- a/omnioperator/omniop-openlookeng-extension/src/main/java/nova/hetu/olk/block/DictionaryOmniBlock.java
+++ b/omnioperator/omniop-openlookeng-extension/src/main/java/nova/hetu/olk/block/DictionaryOmniBlock.java
@@ -173,45 +173,6 @@ public class DictionaryOmniBlock<T>
         }
     }
 
-    /**
-     * Instantiates a new Dictionary omni block.
-     *
-     * @param idsOffset the ids offset
-     * @param positionCount the position count
-     * @param dictionaryVec the dictionary vector
-     * @param dictionary the dictionary
-     * @param ids the ids
-     * @param dictionaryIsCompacted the dictionary is compacted
-     * @param dictionarySourceId the dictionary source id
-     */
-    public DictionaryOmniBlock(int idsOffset, int positionCount, DictionaryVec dictionaryVec, int[] ids,
-                               Block dictionary, boolean dictionaryIsCompacted, DictionaryId dictionarySourceId)
-    {
-        requireNonNull(dictionaryVec, "dictionaryVec is null");
-        requireNonNull(ids, "ids is null");
-
-        if (positionCount < 0) {
-            throw new IllegalArgumentException("positionCount is negative");
-        }
-
-        this.idsOffset = idsOffset;
-        if (ids.length - idsOffset < positionCount) {
-            throw new IllegalArgumentException("ids length is less than positionCount");
-        }
-
-        this.positionCount = positionCount;
-        this.dictionaryVec = dictionaryVec.slice(0, dictionaryVec.getSize());
-        this.dictionary = dictionary.getRegion(0, dictionary.getPositionCount());
-        this.ids = ids;
-        this.dictionarySourceId = requireNonNull(dictionarySourceId, "dictionarySourceId is null");
-        this.retainedSizeInBytes = INSTANCE_SIZE + this.dictionary.getRetainedSizeInBytes() + sizeOf(ids);
-
-        if (dictionaryIsCompacted) {
-            this.sizeInBytes = this.retainedSizeInBytes;
-            this.uniqueIds = this.dictionary.getPositionCount();
-        }
-    }
-
     /**
      * Instantiates a new Dictionary omni block.
      *
@@ -527,7 +488,7 @@ public class DictionaryOmniBlock<T>
     public Block getRegion(int positionOffset, int length)
     {
         checkValidRegion(positionCount, positionOffset, length);
-        return new DictionaryOmniBlock(idsOffset + positionOffset, length, dictionaryVec, ids, dictionary, false,
+        return new DictionaryOmniBlock(idsOffset + positionOffset, length, dictionaryVec, ids, false,
                 dictionarySourceId);
     }
 
diff --git a/omnioperator/omniop-openlookeng-extension/src/test/java/nova/hetu/olk/mock/MockUtil.java b/omnioperator/omniop-openlookeng-extension/src/test/java/nova/hetu/olk/mock/MockUtil.java
index 0092bd10ce50eea1852673ae8d95ab5238f131e6..a88b21213b698e895ee037a16057c3f0d33ff5e0 100644
--- a/omnioperator/omniop-openlookeng-extension/src/test/java/nova/hetu/olk/mock/MockUtil.java
+++ b/omnioperator/omniop-openlookeng-extension/src/test/java/nova/hetu/olk/mock/MockUtil.java
@@ -163,7 +163,7 @@ public class MockUtil
                     when(dictionaryVec.getDictionary()).thenReturn(vec);
                     when(dictionaryVec.slice(anyInt(), anyInt())).thenReturn(dictionaryVec);
                     when(dictionaryVec.getAllocator()).thenReturn(vecAllocator);
-                    blocks.put(j, new DictionaryOmniBlock(0, blockModel.values.length, dictionaryVec, idIndex, block, false, randomDictionaryId()));
+                    blocks.put(j, new DictionaryOmniBlock(0, blockModel.values.length, dictionaryVec, idIndex, false, randomDictionaryId()));
                 }
                 else {
                     blocks.put(j, block);
@@ -242,7 +242,7 @@ public class MockUtil
                 when(dictionaryVec.getDictionary()).thenReturn(vec);
                 when(dictionaryVec.slice(anyInt(), anyInt())).thenReturn(dictionaryVec);
                 when(dictionaryVec.getAllocator()).thenReturn(vecAllocator);
-                block = new DictionaryOmniBlock<Block<?>>(0, object.length, dictionaryVec, idIndex, block, false, randomDictionaryId());
+                block = new DictionaryOmniBlock<Block<?>>(0, object.length, dictionaryVec, idIndex, false, randomDictionaryId());
             }
             if (lazy) {
                 LazyBlock<?> lazyBlock = new LazyBlock<Block<?>>(block.getPositionCount(), instance -> {});