diff --git a/src/runboat/controller.py b/src/runboat/controller.py
index 2248fd4..959ade0 100644
--- a/src/runboat/controller.py
+++ b/src/runboat/controller.py
@@ -182,7 +182,7 @@ class Controller:
                         f"but the corresponding deployment {build_name} is gone. "
                         f"Deleting all build resources."
                     )
-                    await k8s.delete_resources(build_name)
+                    await k8s.delete_deployment_resources(build_name)
                     continue
                 if job_kind == "initialize":
                     if job.status.active:
diff --git a/src/runboat/k8s.py b/src/runboat/k8s.py
index 6749ab3..dbf6fd4 100644
--- a/src/runboat/k8s.py
+++ b/src/runboat/k8s.py
@@ -243,13 +243,13 @@ async def deploy(kubefiles_path: Path | None, deployment_vars: DeploymentVars) -
         )
 
 
-async def delete_resources(build_name: str) -> None:
+async def delete_deployment_resources(build_name: str) -> None:
     await _kubectl(
         [
             "-n",
             settings.build_namespace,
             "delete",
-            "all",
+            settings.deployment_resource_types,
             "-l",
             f"runboat/build={build_name}",
             "--wait=false",
diff --git a/src/runboat/models.py b/src/runboat/models.py
index 62475ab..a767ccb 100644
--- a/src/runboat/models.py
+++ b/src/runboat/models.py
@@ -319,7 +319,7 @@ class Build(BaseModel):
 
     async def on_cleanup_succeeded(self) -> None:
         _logger.info(f"Cleanup job succeeded for {self}, deleting resources.")
-        await k8s.delete_resources(self.name)
+        await k8s.delete_deployment_resources(self.name)
         _logger.debug("Removing finalizer for %s.", self)
         await self._patch(remove_finalizers=True, not_found_ok=True)
 
diff --git a/src/runboat/settings.py b/src/runboat/settings.py
index 7a743b0..1c00f89 100644
--- a/src/runboat/settings.py
+++ b/src/runboat/settings.py
@@ -84,6 +84,11 @@ class Settings(BaseSettings):
     additional_footer_html: str = ""
     # Disable posting of statuses to GitHub commits
     disable_commit_statuses: bool = False
+    # Resources generated by the kubefiles templates in 'deployment' mode. These
+    # are used when undeploying a build to delete all resources.
+    deployment_resource_types: str = (
+        "deployment,service,ingress,configmap,secret,pvc,job"
+    )
 
     def get_build_settings(self, repo: str, target_branch: str) -> list[BuildSettings]:
         for repo_settings in self.repos: