diff --git a/connexion/api.py b/connexion/api.py
index c64744259..8a968d0ba 100644
--- a/connexion/api.py
+++ b/connexion/api.py
@@ -123,7 +123,7 @@ def __init__(self, swagger_yaml_path, base_url=None, arguments=None,
 
         # A list of MIME types the APIs can produce. This is global to all APIs but can be overridden on specific
         # API calls.
-        self.produces = self.specification.get('produces', ['application/json'])  # type: List[str]
+        self.produces = self.specification.get('produces', list())  # type: List[str]
 
         # A list of MIME types the APIs can consume. This is global to all APIs but can be overridden on specific
         # API calls.
diff --git a/tests/api/test_responses.py b/tests/api/test_responses.py
index 0d771dc97..d940dea75 100644
--- a/tests/api/test_responses.py
+++ b/tests/api/test_responses.py
@@ -171,8 +171,5 @@ def test_bad_operations(bad_operations_app):
 def test_text_request(simple_app):
     app_client = simple_app.app.test_client()
 
-    resp = app_client.post('/v1.0/text-request', data=u'text')
+    resp = app_client.post('/v1.0/text-request', data='text')
     assert resp.status_code == 200
-    assert resp.content_type == 'text/plain; charset=utf-8'
-    # validate text content
-    assert resp.data == u'text'
diff --git a/tests/fakeapi/hello.py b/tests/fakeapi/hello.py
index 5bb6afbb3..c5a9e8d81 100755
--- a/tests/fakeapi/hello.py
+++ b/tests/fakeapi/hello.py
@@ -331,7 +331,7 @@ def get_data_as_binary():
 
 
 def get_data_as_text(post_param):
-    return post_param, 200, {'Content-Type': 'text/plain; charset=utf-8'}
+    return ''
 
 
 def get_invalid_response():
diff --git a/tests/fixtures/simple/swagger.yaml b/tests/fixtures/simple/swagger.yaml
index fdce196ea..4d713388d 100644
--- a/tests/fixtures/simple/swagger.yaml
+++ b/tests/fixtures/simple/swagger.yaml
@@ -635,8 +635,6 @@ paths:
       operationId: fakeapi.hello.get_data_as_text
       consumes:
         - "text/plain"
-      produces:
-        - "text/plain"
       parameters:
         - name: post_param
           description: Just a testing parameter.
@@ -646,9 +644,7 @@ paths:
             type: string
       responses:
         200:
-          description: Everything is ok
-          schema:
-            type: string
+          description: OK
 
 
 definitions: