diff --git a/config/test/config.validation.yaml b/config/test/config.validation.yaml
deleted file mode 100644
index 380718f9..00000000
--- a/config/test/config.validation.yaml
+++ /dev/null
@@ -1,27 +0,0 @@
-# SPDX-FileCopyrightText: : 2017-2023 The PyPSA-Eur Authors
-#
-# SPDX-License-Identifier: CC0-1.0
-
-run:
-  name: "validation-test" # use this to keep track of runs with different settings
-
-scenario:
-  clusters:  # number of nodes in Europe, any integer between 37 (1 node per country-zone) and several hundred
-  - 37
-  opts: # only relevant for PyPSA-Eur
-  - 'Ept'
-
-snapshots:
-  start: "2019-01-01"
-  end: "2020-01-01"
-  inclusive: 'left' # include start, not end
-
-conventional:
-  unit_commitment: true
-
-solving:
-  options:
-    linearized_unit_commitment: true
-    rolling_horizon: true
-    horizon: 389
-    overlap: 24