diff --git a/cmd/root.go b/cmd/root.go
index 0caa9cc0e..f696163c9 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -179,10 +179,7 @@ Health checks
   - /readiness: Returns 200 status when the Proxy has started, has available
   connections if max connections have been set with the --max-connections
   flag, and when the Proxy can connect to all registered instances. Otherwise,
-  returns a 503 status. Optionally supports a min-ready query param (e.g.,
-  /readiness?min-ready=3) where the Proxy will return a 200 status if the
-  Proxy can connect successfully to at least min-ready number of instances. If
-  min-ready exceeds the number of registered instances, returns a 400.
+  returns a 503 status.
 
   - /liveness: Always returns 200 status. If this endpoint is not responding,
   the Proxy is in a bad state and should be restarted.
diff --git a/docs/cmd/cloud-sql-proxy.md b/docs/cmd/cloud-sql-proxy.md
index 242442188..ac81f02b7 100644
--- a/docs/cmd/cloud-sql-proxy.md
+++ b/docs/cmd/cloud-sql-proxy.md
@@ -90,10 +90,7 @@ Health checks
   - /readiness: Returns 200 status when the Proxy has started, has available
   connections if max connections have been set with the --max-connections
   flag, and when the Proxy can connect to all registered instances. Otherwise,
-  returns a 503 status. Optionally supports a min-ready query param (e.g.,
-  /readiness?min-ready=3) where the Proxy will return a 200 status if the
-  Proxy can connect successfully to at least min-ready number of instances. If
-  min-ready exceeds the number of registered instances, returns a 400.
+  returns a 503 status.
 
   - /liveness: Always returns 200 status. If this endpoint is not responding,
   the Proxy is in a bad state and should be restarted.
diff --git a/examples/k8s-health-check/README.md b/examples/k8s-health-check/README.md
index 867300a4f..0f8800edb 100644
--- a/examples/k8s-health-check/README.md
+++ b/examples/k8s-health-check/README.md
@@ -24,10 +24,7 @@ the proxy is in a bad state and should be restarted.
 - `/readiness`: Returns 200 status when the proxy has started, has available
   connections if max connections have been set with the `--max-connections`
   flag, and when the proxy can connect to all registered instances. Otherwise,
-  returns a 503 status. Optionally supports a min-ready query param (e.g.,
-  `/readiness?min-ready=3`) where the proxy will return a 200 status if the
-  proxy can connect successfully to at least min-ready number of instances. If
-  min-ready exceeds the number of registered instances, returns a 400.
+  returns a 503 status.
 
 
 To configure the address, use `--http-address`. To configure the port, use