diff --git a/pyproject.toml b/pyproject.toml
index e0880f83bec1e0011e9b79f84567558598f90300..98fdad23f519263a082aa99f7b38a16fe1fe65de 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,6 @@ priority = "supplemental"
 python = "^3.10"
 aleksis-core = "^4.0.0.dev11"
 aleksis-app-chronos = "^4.0.0.dev7"
-aleksis-app-stoelindeling = { version = "^3.0.dev1", optional = true }
 aleksis-app-kolego = "^0.1.0.dev3"
 
 [tool.poetry.extras]