diff --git a/zebra-rpc/src/methods/tests/snapshot/get_block_template_rpcs.rs b/zebra-rpc/src/methods/tests/snapshot/get_block_template_rpcs.rs
index b2e012c7bcd..4949b419c43 100644
--- a/zebra-rpc/src/methods/tests/snapshot/get_block_template_rpcs.rs
+++ b/zebra-rpc/src/methods/tests/snapshot/get_block_template_rpcs.rs
@@ -105,7 +105,8 @@ pub async fn test_responses<State, ReadState>(
         extra_coinbase_data: None,
         debug_like_zcashd: true,
         // TODO: Use default field values when optional features are enabled in tests #8183
-        ..Default::default()
+        #[cfg(feature = "internal-miner")]
+        internal_miner: true,
     };
 
     // nu5 block height
diff --git a/zebra-rpc/src/methods/tests/vectors.rs b/zebra-rpc/src/methods/tests/vectors.rs
index d5a923516c0..c869d39fd88 100644
--- a/zebra-rpc/src/methods/tests/vectors.rs
+++ b/zebra-rpc/src/methods/tests/vectors.rs
@@ -1406,7 +1406,8 @@ async fn rpc_getblocktemplate_mining_address(use_p2pkh: bool) {
         extra_coinbase_data: None,
         debug_like_zcashd: true,
         // TODO: Use default field values when optional features are enabled in tests #8183
-        ..Default::default()
+        #[cfg(feature = "internal-miner")]
+        internal_miner: true,
     };
 
     // nu5 block height
@@ -1860,7 +1861,8 @@ async fn rpc_getdifficulty() {
         extra_coinbase_data: None,
         debug_like_zcashd: true,
         // TODO: Use default field values when optional features are enabled in tests #8183
-        ..Default::default()
+        #[cfg(feature = "internal-miner")]
+        internal_miner: true,
     };
 
     // nu5 block height