diff --git a/cli/src/wildpc_cli/manifest.py b/cli/src/wildpc_cli/manifest.py
index 91a1757..20b9841 100644
--- a/cli/src/wildpc_cli/manifest.py
+++ b/cli/src/wildpc_cli/manifest.py
@@ -18,7 +18,6 @@ from wildpc_core.manifest import (  # noqa: F401 — explicit re-exports for typ
     PathDeployment,
     ProgramSpec,
     Reach,
-    ReadinessHttpGet,
     RemoteDeployment,
     Requirement,
     RestartPolicy,
diff --git a/core/src/wildpc_core/manifest.py b/core/src/wildpc_core/manifest.py
index 70d4696..cbe2254 100644
--- a/core/src/wildpc_core/manifest.py
+++ b/core/src/wildpc_core/manifest.py
@@ -142,19 +142,16 @@ LaunchSpec = Annotated[
 # ---------------------
 
 
-class ReadinessHttpGet(BaseModel):
-    http_get: str
-    timeout_seconds: int = 2
-    interval_seconds: int = 2
-    success_codes: list[int] = Field(default_factory=lambda: [200])
-
-
 class SystemdSpec(BaseModel):
     enable: bool = True
     user: bool = True
     description: str | None = None
+    # Unit ordering (systemd ``After=``). There is deliberately no ``requires:``
+    # partner emitting ``Requires=``: that binds lifecycles, so stopping postgres
+    # would stop everything downstream, and ordering is what callers actually
+    # want. A deployment's own ``requires:`` list is the relationship model (see
+    # docs/relationships.md), not systemd wiring.
     after: list[str] = Field(default_factory=list)
-    requires: list[str] = Field(default_factory=list)
     wanted_by: list[str] = Field(default_factory=lambda: ["default.target"])
     restart: RestartPolicy = RestartPolicy.ON_FAILURE
     restart_sec: int = 2
@@ -172,7 +169,6 @@ class SystemdSpec(BaseModel):
     start_limit_burst: int = 10
     start_limit_interval_sec: int = 3600
     no_new_privileges: bool = True
-    readiness: ReadinessHttpGet | None = None
     exec_reload: str | None = None
     # Commands run after the main process starts (systemd ``ExecStartPost=``), one
     # line each — e.g. an OpenBao auto-unseal step. Failures don't fail the unit.