diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/ArrayBTreeResourceFactoryProvider.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/ArrayBTreeResourceFactoryProvider.java
index fc76428..7c19282 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/ArrayBTreeResourceFactoryProvider.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/declared/ArrayBTreeResourceFactoryProvider.java
@@ -26,8 +26,6 @@
 import org.apache.asterix.common.context.IStorageComponentProvider;
 import org.apache.asterix.common.exceptions.CompilationException;
 import org.apache.asterix.common.exceptions.ErrorCode;
-import org.apache.asterix.external.indexing.FilesIndexDescription;
-import org.apache.asterix.external.indexing.IndexingConstants;
 import org.apache.asterix.metadata.api.IResourceFactoryProvider;
 import org.apache.asterix.metadata.entities.Dataset;
 import org.apache.asterix.metadata.entities.Index;
@@ -43,8 +41,6 @@
 import org.apache.hyracks.api.dataflow.value.IBinaryComparatorFactory;
 import org.apache.hyracks.api.dataflow.value.ITypeTraits;
 import org.apache.hyracks.storage.am.common.api.IMetadataPageManagerFactory;
-import org.apache.hyracks.storage.am.lsm.btree.dataflow.ExternalBTreeLocalResourceFactory;
-import org.apache.hyracks.storage.am.lsm.btree.dataflow.ExternalBTreeWithBuddyLocalResourceFactory;
 import org.apache.hyracks.storage.am.lsm.btree.dataflow.LSMBTreeLocalResourceFactory;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationCallbackFactory;
 import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperationSchedulerProvider;
@@ -72,7 +68,6 @@
         IStorageComponentProvider storageComponentProvider = mdProvider.getStorageComponentProvider();
         ITypeTraits[] typeTraits = getTypeTraits(mdProvider, dataset, index, recordType, metaType);
         IBinaryComparatorFactory[] cmpFactories = getCmpFactories(mdProvider, dataset, index, recordType, metaType);
-        int[] bloomFilterFields = getBloomFilterFields(dataset, index);
         double bloomFilterFalsePositiveRate = mdProvider.getStorageProperties().getBloomFilterFalsePositiveRate();
         ILSMOperationTrackerFactory opTrackerFactory = dataset.getIndexOperationTrackerFactory(index);
         ILSMIOOperationCallbackFactory ioOpCallbackFactory = dataset.getIoOperationCallbackFactory(index);
@@ -82,28 +77,18 @@
                 storageComponentProvider.getMetadataPageManagerFactory();
         ILSMIOOperationSchedulerProvider ioSchedulerProvider =
                 storageComponentProvider.getIoOperationSchedulerProvider();
-        boolean hasBloomFilter = bloomFilterFields != null;
         switch (dataset.getDatasetType()) {
             case EXTERNAL:
-                return index.getIndexName().equals(IndexingConstants.getFilesIndexName(dataset.getDatasetName()))
-                        ? new ExternalBTreeLocalResourceFactory(storageManager, typeTraits, cmpFactories,
-                                filterTypeTraits, filterCmpFactories, filterFields, opTrackerFactory,
-                                ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
-                                ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, true, bloomFilterFields,
-                                bloomFilterFalsePositiveRate, false, btreeFields, hasBloomFilter)
-                        : new ExternalBTreeWithBuddyLocalResourceFactory(storageManager, typeTraits, cmpFactories,
-                                filterTypeTraits, filterCmpFactories, filterFields, opTrackerFactory,
-                                ioOpCallbackFactory, pageWriteCallbackFactory, metadataPageManagerFactory,
-                                ioSchedulerProvider, mergePolicyFactory, mergePolicyProperties, true, bloomFilterFields,
-                                bloomFilterFalsePositiveRate, false, btreeFields, hasBloomFilter);
+                throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+                        "Array indexes are not " + "supported for external datasets.");
             case INTERNAL:
                 AsterixVirtualBufferCacheProvider vbcProvider =
                         new AsterixVirtualBufferCacheProvider(dataset.getDatasetId());
 
                 final ICompressorDecompressorFactory compDecompFactory;
                 if (index.isPrimaryIndex()) {
-                    //Compress only primary index
-                    compDecompFactory = mdProvider.getCompressionManager().getFactory(dataset.getCompressionScheme());
+                    throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+                            "Array indexes cannot be " + "primary indexes.");
                 } else {
                     compDecompFactory = NoOpCompressorDecompressorFactory.INSTANCE;
                 }
@@ -111,9 +96,8 @@
                 return new LSMBTreeLocalResourceFactory(storageManager, typeTraits, cmpFactories, filterTypeTraits,
                         filterCmpFactories, filterFields, opTrackerFactory, ioOpCallbackFactory,
                         pageWriteCallbackFactory, metadataPageManagerFactory, vbcProvider, ioSchedulerProvider,
-                        mergePolicyFactory, mergePolicyProperties, true, bloomFilterFields,
-                        bloomFilterFalsePositiveRate, index.isPrimaryIndex(), btreeFields, compDecompFactory,
-                        hasBloomFilter);
+                        mergePolicyFactory, mergePolicyProperties, true, null, bloomFilterFalsePositiveRate,
+                        index.isPrimaryIndex(), btreeFields, compDecompFactory, false);
             default:
                 throw new CompilationException(ErrorCode.COMPILATION_UNKNOWN_DATASET_TYPE,
                         dataset.getDatasetType().toString());
@@ -124,10 +108,11 @@
             ARecordType recordType, ARecordType metaType) throws AlgebricksException {
         ITypeTraits[] primaryTypeTraits = dataset.getPrimaryTypeTraits(metadataProvider, recordType, metaType);
         if (index.isPrimaryIndex()) {
-            return primaryTypeTraits;
-        } else if (dataset.getDatasetType() == DatasetType.EXTERNAL
-                && index.getIndexName().equals(IndexingConstants.getFilesIndexName(dataset.getDatasetName()))) {
-            return FilesIndexDescription.EXTERNAL_FILE_INDEX_TYPE_TRAITS;
+            throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+                    "Array indexes cannot be " + "primary indexes.");
+        } else if (dataset.getDatasetType() == DatasetType.EXTERNAL) {
+            throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+                    "Array indexes are not " + "supported for external datasets.");
         }
         ITypeTraitProvider typeTraitProvider = metadataProvider.getStorageComponentProvider().getTypeTraitProvider();
         int numPrimaryKeys = dataset.getPrimaryKeys().size();
@@ -163,10 +148,11 @@
         IBinaryComparatorFactory[] primaryCmpFactories =
                 dataset.getPrimaryComparatorFactories(metadataProvider, recordType, metaType);
         if (index.isPrimaryIndex()) {
-            return dataset.getPrimaryComparatorFactories(metadataProvider, recordType, metaType);
-        } else if (dataset.getDatasetType() == DatasetType.EXTERNAL
-                && index.getIndexName().equals(IndexingConstants.getFilesIndexName(dataset.getDatasetName()))) {
-            return FilesIndexDescription.FILES_INDEX_COMP_FACTORIES;
+            throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+                    "Array indexes cannot be " + "primary indexes.");
+        } else if (dataset.getDatasetType() == DatasetType.EXTERNAL) {
+            throw new CompilationException(ErrorCode.COMPILATION_ILLEGAL_STATE,
+                    "Array indexes are not " + "supported for external datasets.");
         }
         Index.ArrayIndexDetails arrayIndexDetails = (Index.ArrayIndexDetails) index.getIndexDetails();
         int numSecondaryKeys =
@@ -198,22 +184,4 @@
         System.arraycopy(primaryCmpFactories, 0, secondaryCmpFactories, numSecondaryKeys, numPrimaryKeys);
         return secondaryCmpFactories;
     }
-
-    private static int[] getBloomFilterFields(Dataset dataset, Index index) throws AlgebricksException {
-        // both the Primary index and the Primary Key index have bloom filters
-        if (index.isPrimaryIndex() || index.isPrimaryKeyIndex()) {
-            return dataset.getPrimaryBloomFilterFields();
-        }
-        if (dataset.getDatasetType() == DatasetType.EXTERNAL) {
-            if (index.getIndexName().equals(IndexingConstants.getFilesIndexName(dataset.getDatasetName()))) {
-                return FilesIndexDescription.BLOOM_FILTER_FIELDS;
-            } else {
-                Index.ArrayIndexDetails arrayIndexDetails = (Index.ArrayIndexDetails) index.getIndexDetails();
-                return new int[] { arrayIndexDetails.getElementList().stream().map(e -> e.getProjectList().size())
-                        .reduce(0, Integer::sum) };
-            }
-        }
-        // secondary btrees and rtrees do not have bloom filters
-        return null;
-    }
 }