diff --git a/apis/beacon/blocks/blinded_blocks.yaml b/apis/beacon/blocks/blinded_blocks.yaml
index 1f545e57..f7da86ba 100644
--- a/apis/beacon/blocks/blinded_blocks.yaml
+++ b/apis/beacon/blocks/blinded_blocks.yaml
@@ -3,6 +3,7 @@ post:
     - Beacon
     - ValidatorRequiredApi
   summary: "Publish a signed block."
+  deprecated: true
   operationId: "publishBlindedBlock"
   description: |
     Instructs the beacon node to use the components of the `SignedBlindedBeaconBlock` to construct and publish a 
diff --git a/apis/beacon/blocks/blocks.yaml b/apis/beacon/blocks/blocks.yaml
index 68be1b69..4c0a8517 100644
--- a/apis/beacon/blocks/blocks.yaml
+++ b/apis/beacon/blocks/blocks.yaml
@@ -3,6 +3,7 @@ post:
     - Beacon
     - ValidatorRequiredApi
   summary: "Publish a signed block."
+  deprecated: true
   operationId: "publishBlock"
   description: |
     Instructs the beacon node to broadcast a newly signed beacon block to the beacon network,