diff --git a/contrib/pyln-client/pyln/client/lightning.py b/contrib/pyln-client/pyln/client/lightning.py
index 15272b1d5..47257be96 100644
--- a/contrib/pyln-client/pyln/client/lightning.py
+++ b/contrib/pyln-client/pyln/client/lightning.py
@@ -509,6 +509,7 @@ class LightningRpc(UnixDomainSocketRpc):
                         # FIXME: Deprecated "listconfigs" gives two 'null' fields:
                         #            "lease-fee-base-msat": null,
                         #            "channel-fee-max-base-msat": null,
+                        # FIXME: Removed for v23.08, delete this code in 24.08?
                         elif v is None:
                             obj[k] = None
                         else:
diff --git a/lightningd/plugin.c b/lightningd/plugin.c
index fcd6caef9..ba4b4d431 100644
--- a/lightningd/plugin.c
+++ b/lightningd/plugin.c
@@ -2002,9 +2002,6 @@ void json_add_opt_plugins_array(struct json_stream *response,
 							    opt_name,
 							    opt->type,
 							    opt->values[0]);
-				} else {
-					if (deprecated_apis)
-						json_add_null(response, opt_name);
 				}
 			}
 			json_object_end(response);