diff --git a/pyproject.toml b/pyproject.toml
index 7797d687d..120fd4eb7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,6 @@ python = "^3.5"
 pycairo = "^1.16"
 PyGObject = "^3.30"
 gaphas = "^1.0.0"
-"zope.component" = "^4.5"
 
 [tool.poetry.dev-dependencies]
 pytest = "^4.0"
diff --git a/setup.py b/setup.py
index 6a1dd9e28..cfc73dcdf 100644
--- a/setup.py
+++ b/setup.py
@@ -93,8 +93,6 @@ setup(
         "pycairo >= 1.17.0",
         "PyGObject >= 3.30.0",
         "gaphas >= 0.7.2",
-        "zope.component >= 3.4.0",
-        "zope.interface >= 4.6.0",
         "setuptools",
     ],
     zip_safe=False,