diff --git a/specifications/api/swagger.yaml b/specifications/api/swagger.yaml
index be2d236bec0..dc9c54802c8 100644
--- a/specifications/api/swagger.yaml
+++ b/specifications/api/swagger.yaml
@@ -399,13 +399,6 @@ x-stakePoolId: &stakePoolId
   example: pool1wqaz0q0zhtxlgn0ewssevn2mrtm30fgh2g7hr7z9rj5856457mm
   description: A unique identifier for the pool.
 
-x-drepID: &drepID
-  type: string
-  format: bech32
-  example: drep1wqaz0q0zhtxlgn0ewssevn2mrtm30fgh2g7hr7z9rj5856457mm
-  description: DRep's key/script hash in accordance to CIP-0129.
-  pattern: "^(drep)1[0-9a-z]*$"
-
 x-walletAccountXPubkey: &walletAccountXPubkey
   description: An extended account public key (public key + chain code)
   type: string
@@ -2956,6 +2949,13 @@ components:
       description: |
         The result of signing a transaction (serialized and encoded).
 
+    ApiDrepID: &ApiDrepID
+      type: string
+      format: bech32
+      example: drep1wqaz0q0zhtxlgn0ewssevn2mrtm30fgh2g7hr7z9rj5856457mm
+      description: DRep's key/script hash in accordance to CIP-0129.
+      pattern: "^(drep)1[0-9a-z]*$"
+
     ApiDRep: &ApiDRep
       description: |
         Decentralized representative (DRep)
@@ -2970,7 +2970,7 @@ components:
             - abstain
             - no_confidence
           title: casting a default vote
-        - <<: *drepID
+        - <<: *ApiDrepID
           title: vote to a drep represented by key/script hash
 
     ApiWalletDelegationNext: &ApiWalletDelegationNext