diff --git a/tools/grammarcheckers/tests/candidates-msyn-inf-sup.yaml b/tools/grammarcheckers/tests/candidates-msyn-inf-sup.yaml
deleted file mode 100644
index e69de29b..00000000
diff --git a/tools/grammarcheckers/tests/candidates-msyn-sup-inf.yaml b/tools/grammarcheckers/tests/candidates-msyn-sup-inf.yaml
deleted file mode 100644
index e69de29b..00000000
diff --git a/tools/grammarcheckers/tests/candidates-msyn-sup-prspl.yaml b/tools/grammarcheckers/tests/candidates-msyn-sup-prspl.yaml
deleted file mode 100644
index 40608c37..00000000
--- a/tools/grammarcheckers/tests/candidates-msyn-sup-prspl.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
-Config:
-  Spec: ../pipespec.xml
-  Variant: faogram-dev
-
-Tests: