diff --git a/tests/testcases/015_check-nodes-ready.yml b/tests/testcases/015_check-nodes-ready.yml
index 778417f10a0..536207211bf 100644
--- a/tests/testcases/015_check-nodes-ready.yml
+++ b/tests/testcases/015_check-nodes-ready.yml
@@ -1,18 +1,10 @@
 ---
 - name: Testcases checking nodes
   hosts: kube_control_plane[0]
+  vars:
+    bin_dir: /usr/local/bin
   tasks:
 
-  - name: Force binaries directory for Flatcar Container Linux by Kinvolk
-    set_fact:
-      bin_dir: "/opt/bin"
-    when: ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
-
-  - name: Force binaries directory for other hosts
-    set_fact:
-      bin_dir: "/usr/local/bin"
-    when: not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
-
   - import_role:  # noqa name[missing]
       name: cluster-dump
 
diff --git a/tests/testcases/020_check-pods-running.yml b/tests/testcases/020_check-pods-running.yml
index f25e2b7a46f..a573bb1cc7c 100644
--- a/tests/testcases/020_check-pods-running.yml
+++ b/tests/testcases/020_check-pods-running.yml
@@ -1,18 +1,10 @@
 ---
 - name: Testcases checking pods
   hosts: kube_control_plane[0]
+  vars:
+    bin_dir: /usr/local/bin
   tasks:
 
-  - name: Force binaries directory for Flatcar Container Linux by Kinvolk
-    set_fact:
-      bin_dir: "/opt/bin"
-    when: ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
-
-  - name: Force binaries directory for other hosts
-    set_fact:
-      bin_dir: "/usr/local/bin"
-    when: not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
-
   - import_role:  # noqa name[missing]
       name: cluster-dump
 
diff --git a/tests/testcases/030_check-network.yml b/tests/testcases/030_check-network.yml
index 7c5058a9f02..5e6eebae8f9 100644
--- a/tests/testcases/030_check-network.yml
+++ b/tests/testcases/030_check-network.yml
@@ -4,17 +4,9 @@
   vars:
     test_image_repo: registry.k8s.io/e2e-test-images/agnhost
     test_image_tag: "2.40"
+    bin_dir: "/usr/local/bin"
 
   tasks:
-  - name: Force binaries directory for Flatcar Container Linux by Kinvolk
-    set_fact:
-      bin_dir: "/opt/bin"
-    when: ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
-
-  - name: Force binaries directory for other hosts
-    set_fact:
-      bin_dir: "/usr/local/bin"
-    when: not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
 
   - name: Check kubelet serving certificates approved with kubelet_csr_approver
     when:
diff --git a/tests/testcases/040_check-network-adv.yml b/tests/testcases/040_check-network-adv.yml
index f9f21a73bfa..091025b13a4 100644
--- a/tests/testcases/040_check-network-adv.yml
+++ b/tests/testcases/040_check-network-adv.yml
@@ -19,18 +19,9 @@
     agent_report_interval: 10
     netcheck_namespace: default
     netchecker_port: 31081
+    bin_dir: "/usr/local/bin"
 
   tasks:
-    - name: Force binaries directory for Container Linux by CoreOS and Flatcar
-      set_fact:
-        bin_dir: "/opt/bin"
-      when: ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
-
-    - name: Force binaries directory on other hosts
-      set_fact:
-        bin_dir: "/usr/local/bin"
-      when: not ansible_os_family in ["Flatcar", "Flatcar Container Linux by Kinvolk"]
-
     - import_role:  # noqa name[missing]
         name: cluster-dump