diff --git a/haystack/nodes/__init__.py b/haystack/nodes/__init__.py
index 4471b723f..b88f1f53a 100644
--- a/haystack/nodes/__init__.py
+++ b/haystack/nodes/__init__.py
@@ -21,7 +21,7 @@ from haystack.nodes.file_converter import (
     ParsrConverter,
 )
 from haystack.nodes.label_generator import PseudoLabelGenerator
-from haystack.nodes.other import Docs2Answers, JoinDocuments, RouteDocuments, JoinAnswers
+from haystack.nodes.other import Docs2Answers, JoinDocuments, RouteDocuments, JoinAnswers, DocumentMerger
 from haystack.nodes.preprocessor import BasePreProcessor, PreProcessor
 from haystack.nodes.query_classifier import SklearnQueryClassifier, TransformersQueryClassifier
 from haystack.nodes.question_generator import QuestionGenerator
diff --git a/haystack/nodes/other/__init__.py b/haystack/nodes/other/__init__.py
index 35018836d..39f9dfce5 100644
--- a/haystack/nodes/other/__init__.py
+++ b/haystack/nodes/other/__init__.py
@@ -3,3 +3,4 @@ from haystack.nodes.other.join_docs import JoinDocuments
 from haystack.nodes.other.route_documents import RouteDocuments
 from haystack.nodes.other.join_answers import JoinAnswers
 from haystack.nodes.other.join import JoinNode
+from haystack.nodes.other.document_merger import DocumentMerger
diff --git a/haystack/pipelines/__init__.py b/haystack/pipelines/__init__.py
index 9e6bbb62e..c93153bf0 100644
--- a/haystack/pipelines/__init__.py
+++ b/haystack/pipelines/__init__.py
@@ -12,4 +12,5 @@ from haystack.pipelines.standard_pipelines import (
     GenerativeQAPipeline,
     ExtractiveQAPipeline,
     FAQPipeline,
+    TextIndexingPipeline,
 )