diff --git a/common/annis_response_parser.py b/common/annis_response_parser.py
index 85f966b829786274794f1e91330602e7b4d29c55..f144e72bda2a589effe66ccbcea0913ac010cddb 100644
--- a/common/annis_response_parser.py
+++ b/common/annis_response_parser.py
@@ -1,7 +1,6 @@
 from urllib.parse import quote
 import re
 import networkx as nx
-import matplotlib.pyplot as plt
 from lxml.html import fromstring, tostring
 from .enums import *
 from .config import ResourceConfig