diff --git a/src/octoprint/server/util/tornado.py b/src/octoprint/server/util/tornado.py
index 6837fbd5..5da04a79 100644
--- a/src/octoprint/server/util/tornado.py
+++ b/src/octoprint/server/util/tornado.py
@@ -134,8 +134,6 @@ class UploadStorageFallbackHandler(tornado.web.RequestHandler):
 		body-less request, just calls the `fallback` with an empty body and finishes the request.
 		"""
 		if self.request.method in UploadStorageFallbackHandler.BODY_METHODS:
-			print("### In UploadStorageFallbackHandler.prepare, processing body: %r" % self.request)
-
 			self._bytes_left = self.request.headers.get("Content-Length", 0)
 			self._content_type = self.request.headers.get("Content-Type", None)
 
@@ -158,8 +156,6 @@ class UploadStorageFallbackHandler(tornado.web.RequestHandler):
 				else:
 					self._multipart_boundary = None
 		else:
-			print("### In UploadStorageFallbackHandler.prepare, invoking fallback: %r" % self.request)
-
 			self._fallback(self.request, b"")
 			self._finished = True
 
@@ -178,9 +174,6 @@ class UploadStorageFallbackHandler(tornado.web.RequestHandler):
 		else:
 			self._buffer = data
 
-	def on_finish(self):
-		pass
-
 	def is_multipart(self):
 		"""Checks whether this request is a `multipart` request"""
 		return self._content_type is not None and self._content_type.startswith("multipart")
@@ -373,6 +366,7 @@ class UploadStorageFallbackHandler(tornado.web.RequestHandler):
 		try:
 			# call the configured fallback with request and body to use
 			self._fallback(self.request, body)
+			self._headers_written = True
 		finally:
 			# make sure the temporary files are removed again
 			for f in self._files:
@@ -417,8 +411,6 @@ class WsgiInputContainer(object):
 		:param body: an optional body  to use as `wsgi.input` instead of `request.body`, can be a string or a stream
 		"""
 
-		print("### In WsgiInputContainer.__call__: %r" % request)
-
 		data = {}
 		response = []