diff --git a/tools/packaging/kata-deploy/binary/src/k8s/runtimeclasses.rs b/tools/packaging/kata-deploy/binary/src/k8s/runtimeclasses.rs
index ab335961c4..1b898b7ecb 100644
--- a/tools/packaging/kata-deploy/binary/src/k8s/runtimeclasses.rs
+++ b/tools/packaging/kata-deploy/binary/src/k8s/runtimeclasses.rs
@@ -85,85 +85,3 @@ pub async fn update_existing_runtimeclasses_for_nfd(config: &Config) -> Result<(
 
     Ok(())
 }
-
-#[cfg(test)]
-mod tests {
-    use crate::config::NYDUS_FOR_KATA_TEE;
-
-    #[test]
-    fn test_runtime_class_name_without_suffix() {
-        // Test runtime class name without MULTI_INSTALL_SUFFIX
-        let shim = "qemu";
-
-        // Expected: kata-qemu
-        let expected = format!("kata-{}", shim);
-        assert_eq!(expected, "kata-qemu");
-    }
-
-    #[test]
-    fn test_runtime_class_name_with_suffix() {
-        // Test runtime class name with MULTI_INSTALL_SUFFIX
-        let shim = "qemu";
-        let suffix = Some("dev".to_string());
-
-        // Expected: kata-qemu-dev
-        if let Some(s) = suffix {
-            let expected = format!("kata-{}-{}", shim, s);
-            assert_eq!(expected, "kata-qemu-dev");
-        }
-    }
-
-    #[test]
-    fn test_multiple_shims_with_suffix() {
-        // Test different shims with suffix
-        let shims = vec!["qemu", "qemu-tdx", "clh-runtime-rs", "fc"];
-        let suffix = Some("staging".to_string());
-
-        for shim in shims {
-            if let Some(ref s) = suffix {
-                let runtime_class = format!("kata-{}-{}", shim, s);
-                assert!(runtime_class.contains(shim));
-                assert!(runtime_class.contains("staging"));
-                assert!(runtime_class.starts_with("kata-"));
-            }
-        }
-    }
-
-    #[test]
-    fn test_suffix_prevents_default_runtimeclass() {
-        // When MULTI_INSTALL_SUFFIX is set, default runtime class should not be created
-        // This test verifies the logic
-        let suffix = Some("prod".to_string());
-        let create_default = true;
-
-        // Logic: if suffix.is_some() && create_default, should warn and not create
-        if suffix.is_some() && create_default {
-            // Should not create default runtime class
-            // Just verify the logic exists
-            assert!(suffix.is_some());
-        }
-    }
-
-    #[test]
-    fn test_snapshotter_name_with_suffix() {
-        // Test that the nydus snapshotter produces the nydus-for-kata-tee containerd plugin
-        // name, with the suffix appended when MULTI_INSTALL_SUFFIX is set.
-        let suffix = Some("dev".to_string());
-
-        if let Some(s) = suffix {
-            let adjusted = format!("{NYDUS_FOR_KATA_TEE}-{}", s);
-            assert_eq!(adjusted, format!("{NYDUS_FOR_KATA_TEE}-dev"));
-        }
-    }
-
-    #[test]
-    fn test_nydus_snapshotter_systemd_service_with_suffix() {
-        // Test nydus-for-kata-tee systemd service name with suffix
-        let suffix = Some("test".to_string());
-
-        if let Some(s) = suffix {
-            let service_name = format!("{NYDUS_FOR_KATA_TEE}-{}", s);
-            assert_eq!(service_name, format!("{NYDUS_FOR_KATA_TEE}-test"));
-        }
-    }
-}