diff --git a/src/main/java/io/cdap/plugin/gcp/bigquery/connector/BigQueryConnector.java b/src/main/java/io/cdap/plugin/gcp/bigquery/connector/BigQueryConnector.java
index 6a66068082..17c13a73bb 100644
--- a/src/main/java/io/cdap/plugin/gcp/bigquery/connector/BigQueryConnector.java
+++ b/src/main/java/io/cdap/plugin/gcp/bigquery/connector/BigQueryConnector.java
@@ -54,8 +54,6 @@
 import io.cdap.cdap.etl.api.engine.sql.BatchSQLEngine;
 import io.cdap.cdap.etl.api.validation.ValidationException;
 import io.cdap.plugin.common.ConfigUtil;
-import io.cdap.plugin.common.Constants;
-import io.cdap.plugin.common.ReferenceNames;
 import io.cdap.plugin.gcp.bigquery.sink.BigQueryMultiSink;
 import io.cdap.plugin.gcp.bigquery.sink.BigQuerySink;
 import io.cdap.plugin.gcp.bigquery.source.BigQuerySource;
@@ -364,8 +362,6 @@ public ConnectorSpec generateSpec(ConnectorContext context,
       if (definition.getType() != TableDefinition.Type.TABLE) {
         properties.put(BigQuerySourceConfig.NAME_ENABLE_QUERYING_VIEWS, "true");
       }
-      properties.put(Constants.Reference.REFERENCE_NAME,
-                     ReferenceNames.cleanseReferenceName(datasetName + "." + tableName));
     }
     return specBuilder
       .addRelatedPlugin(new PluginSpec(BigQuerySource.NAME, BatchSource.PLUGIN_TYPE, properties))
diff --git a/src/main/java/io/cdap/plugin/gcp/gcs/connector/GCSConnector.java b/src/main/java/io/cdap/plugin/gcp/gcs/connector/GCSConnector.java
index 7b35d0e8bd..1611c2b2a1 100644
--- a/src/main/java/io/cdap/plugin/gcp/gcs/connector/GCSConnector.java
+++ b/src/main/java/io/cdap/plugin/gcp/gcs/connector/GCSConnector.java
@@ -173,7 +173,6 @@ protected void setConnectorSpec(ConnectorSpecRequest request, ConnectorSpec.Buil
       GCSPath gcsPath = GCSPath.from(path);
       String referenceName = ReferenceNames.cleanseReferenceName(gcsPath.getBucket() + "." + gcsPath.getName());
       sourceProperties.put(Constants.Reference.REFERENCE_NAME, referenceName);
-      sinkProperties.put(Constants.Reference.REFERENCE_NAME, referenceName);
     }
     builder.addRelatedPlugin(new PluginSpec(GCSSource.NAME, BatchSource.PLUGIN_TYPE, sourceProperties));
     builder.addRelatedPlugin(new PluginSpec(GCSBatchSink.NAME, BatchSink.PLUGIN_TYPE, sinkProperties));
diff --git a/src/main/java/io/cdap/plugin/gcp/spanner/connector/SpannerConnector.java b/src/main/java/io/cdap/plugin/gcp/spanner/connector/SpannerConnector.java
index 926f9f54e8..cd4baf3aa5 100644
--- a/src/main/java/io/cdap/plugin/gcp/spanner/connector/SpannerConnector.java
+++ b/src/main/java/io/cdap/plugin/gcp/spanner/connector/SpannerConnector.java
@@ -155,29 +155,35 @@ public ConnectorSpec generateSpec(ConnectorContext context, ConnectorSpecRequest
     throws IOException {
     SpannerPath path = new SpannerPath(connectorSpecRequest.getPath());
     ConnectorSpec.Builder specBuilder = ConnectorSpec.builder();
-    Map<String, String> properties = new HashMap<>();
-    properties.put(ConfigUtil.NAME_USE_CONNECTION, "true");
-    properties.put(ConfigUtil.NAME_CONNECTION, connectorSpecRequest.getConnectionWithMacro());
+    Map<String, String> sourceProperties = new HashMap<>();
+    Map<String, String> sinkProperties = new HashMap<>();
+    sourceProperties.put(ConfigUtil.NAME_USE_CONNECTION, "true");
+    sinkProperties.put(ConfigUtil.NAME_USE_CONNECTION, "true");
+    sourceProperties.put(ConfigUtil.NAME_CONNECTION, connectorSpecRequest.getConnectionWithMacro());
+    sinkProperties.put(ConfigUtil.NAME_CONNECTION, connectorSpecRequest.getConnectionWithMacro());
 
     String instanceName = path.getInstance();
     if (instanceName != null) {
-      properties.put(SpannerSourceConfig.NAME_INSTANCE, instanceName);
+      sourceProperties.put(SpannerSourceConfig.NAME_INSTANCE, instanceName);
+      sinkProperties.put(SpannerSourceConfig.NAME_INSTANCE, instanceName);
     }
     String databaseName = path.getDatabase();
     if (databaseName != null) {
-      properties.put(SpannerSourceConfig.NAME_DATABASE, databaseName);
+      sourceProperties.put(SpannerSourceConfig.NAME_DATABASE, databaseName);
+      sinkProperties.put(SpannerSourceConfig.NAME_DATABASE, databaseName);
     }
     String tableName = path.getTable();
     if (tableName != null) {
-      properties.put(SpannerSourceConfig.NAME_TABLE, tableName);
-      properties.put(Constants.Reference.REFERENCE_NAME,
+      sourceProperties.put(SpannerSourceConfig.NAME_TABLE, tableName);
+      sinkProperties.put(SpannerSourceConfig.NAME_TABLE, tableName);
+      sourceProperties.put(Constants.Reference.REFERENCE_NAME,
                      ReferenceNames.cleanseReferenceName(instanceName + "." + databaseName + "." + tableName));
       Schema schema = getTableSchema(instanceName, databaseName, tableName, context.getFailureCollector());
       specBuilder.setSchema(schema);
     }
     return specBuilder
-      .addRelatedPlugin(new PluginSpec(SpannerSource.NAME, BatchSource.PLUGIN_TYPE, properties))
-      .addRelatedPlugin(new PluginSpec(SpannerSink.NAME, BatchSink.PLUGIN_TYPE, properties))
+      .addRelatedPlugin(new PluginSpec(SpannerSource.NAME, BatchSource.PLUGIN_TYPE, sourceProperties))
+      .addRelatedPlugin(new PluginSpec(SpannerSink.NAME, BatchSink.PLUGIN_TYPE, sinkProperties))
       .build();
   }
 
diff --git a/src/main/java/io/cdap/plugin/gcp/spanner/source/SpannerSourceConfig.java b/src/main/java/io/cdap/plugin/gcp/spanner/source/SpannerSourceConfig.java
index bfb6271a41..b2f3e00b09 100644
--- a/src/main/java/io/cdap/plugin/gcp/spanner/source/SpannerSourceConfig.java
+++ b/src/main/java/io/cdap/plugin/gcp/spanner/source/SpannerSourceConfig.java
@@ -54,7 +54,6 @@ public class SpannerSourceConfig extends PluginConfig {
   public static final String NAME_SCHEMA = "schema";
 
   @Name(Constants.Reference.REFERENCE_NAME)
-  @Nullable
   @Description("This will be used to uniquely identify this source for lineage, annotating metadata, etc.")
   public String referenceName;
 
@@ -163,9 +162,7 @@ public boolean autoServiceAccountUnavailable() {
   }
 
   public void validate(FailureCollector collector) {
-    if (!Strings.isNullOrEmpty(referenceName)) {
-      IdUtils.validateReferenceName(referenceName, collector);
-    }
+    IdUtils.validateReferenceName(referenceName, collector);
     ConfigUtil.validateConnection(this, useConnection, connection, collector);
     Schema schema = getSchema(collector);
     if (!containsMacro(NAME_SCHEMA) && schema != null) {
diff --git a/src/test/java/io/cdap/plugin/gcp/bigquery/connector/BigQueryConnectorTest.java b/src/test/java/io/cdap/plugin/gcp/bigquery/connector/BigQueryConnectorTest.java
index d74bdadd81..1b6013e033 100644
--- a/src/test/java/io/cdap/plugin/gcp/bigquery/connector/BigQueryConnectorTest.java
+++ b/src/test/java/io/cdap/plugin/gcp/bigquery/connector/BigQueryConnectorTest.java
@@ -171,7 +171,6 @@ private void testGenerateSpec(BigQueryConnector connector) throws IOException {
     pluginProperties.put("connection", "${conn(connection-id)}");
     pluginProperties.put("dataset", dataset);
     pluginProperties.put("table", table);
-    pluginProperties.put("referenceName", dataset + "." + table);
     expectedRelatedPlugins.add(new PluginSpec(BigQueryMultiSink.NAME, BatchSink.PLUGIN_TYPE, pluginProperties));
     expectedRelatedPlugins.add(new PluginSpec(BigQuerySink.NAME, BatchSink.PLUGIN_TYPE, pluginProperties));
     expectedRelatedPlugins.add(new PluginSpec(BigQuerySource.NAME, BigQuerySource.PLUGIN_TYPE, pluginProperties));
diff --git a/src/test/java/io/cdap/plugin/gcp/spanner/connector/SpannerConnectorTest.java b/src/test/java/io/cdap/plugin/gcp/spanner/connector/SpannerConnectorTest.java
index 951b2013e1..b277a69a34 100644
--- a/src/test/java/io/cdap/plugin/gcp/spanner/connector/SpannerConnectorTest.java
+++ b/src/test/java/io/cdap/plugin/gcp/spanner/connector/SpannerConnectorTest.java
@@ -160,10 +160,11 @@ private void testGenerateSpec(SpannerConnector connector) throws IOException {
     properties.put("table", table);
     properties.put("connection", null);
     properties.put("useConnection", "true");
-    properties.put("referenceName", String.format("%s.%s.%s", instance, database, table));
+    Map<String, String> sourceProperties = new HashMap<>(properties);
+    sourceProperties.put("referenceName", String.format("%s.%s.%s", instance, database, table));
     ConnectorSpec expected = ConnectorSpec.builder()
       .setSchema(expectedSchema)
-      .addRelatedPlugin(new PluginSpec(SpannerSource.NAME, BatchSource.PLUGIN_TYPE, properties))
+      .addRelatedPlugin(new PluginSpec(SpannerSource.NAME, BatchSource.PLUGIN_TYPE, sourceProperties))
       .addRelatedPlugin(new PluginSpec(SpannerSink.NAME, BatchSink.PLUGIN_TYPE, properties))
       .build();