diff --git a/.github/workflows/benchmarks.yml b/.github/workflows/benchmarks.yml
index cc23fa3..fe71edc 100644
--- a/.github/workflows/benchmarks.yml
+++ b/.github/workflows/benchmarks.yml
@@ -72,7 +72,7 @@ jobs:
         git config user.email "269699678+cls-python-workflows[bot]@users.noreply.github.com"
 
     - name: Determine Push Or Not
-      if: github.event_name != 'pull_request'
+      if: github.event_name == 'push'
       run: |
         echo "PUSH_TO_BENCHMARKS=true" >> $GITHUB_ENV
 
diff --git a/benchmarks/test_benchmark_chain_100.py b/benchmarks/test_benchmark_chain_100.py
index 013666c..0359f29 100644
--- a/benchmarks/test_benchmark_chain_100.py
+++ b/benchmarks/test_benchmark_chain_100.py
@@ -2,7 +2,6 @@
 
 import pytest
 from cosy.maestro import Maestro
-from luigi.mock import MockTarget
 
 from cosy_luigi import CoSyLuigiRepo, CoSyLuigiTask, CoSyLuigiTaskParameter
 
@@ -10,12 +9,6 @@
 class ChainLink(CoSyLuigiTask, ABC):
     chain_link: CoSyLuigiTaskParameter | None
 
-    def output(self):
-        return MockTarget("ChainLink")
-
-    def run(self):
-        self.output().open("w").write("Ok.")
-
 
 class StartingLink(ChainLink):
     chain_link = None
@@ -28,12 +21,6 @@ class RepeatingLink(ChainLink):
 class FinalLink(CoSyLuigiTask):
     chain_link = CoSyLuigiTaskParameter(ChainLink)
 
-    def output(self):
-        return MockTarget("FinalLink")
-
-    def run(self):
-        self.output().open("w").write("Ok.")
-
 
 @pytest.fixture
 def repo():
diff --git a/src/cosy_luigi/core/combinatorics.py b/src/cosy_luigi/core/combinatorics.py
index fb09bd7..69b5e8f 100644
--- a/src/cosy_luigi/core/combinatorics.py
+++ b/src/cosy_luigi/core/combinatorics.py
@@ -26,10 +26,6 @@ def __init__(self, required_task: type[CoSyLuigiTask], *, unique_across_prior_ta
 
 
 class CoSyLuigiTask(luigi.Task):
-    def __init_subclass__(cls, **kwargs):
-        super().__init_subclass__(**kwargs)
-        cls.self = cls
-
     @classmethod
     @cache
     def get_all_variants(cls):