diff --git a/zebra-chain/Cargo.toml b/zebra-chain/Cargo.toml
index 1a25f85d221..9b59fa3671c 100644
--- a/zebra-chain/Cargo.toml
+++ b/zebra-chain/Cargo.toml
@@ -180,3 +180,6 @@ required-features = ["bench"]
 [[bench]]
 name = "redpallas"
 harness = false
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("nsm"))'] }
diff --git a/zebra-consensus/Cargo.toml b/zebra-consensus/Cargo.toml
index f830631aba3..89ed9750ec5 100644
--- a/zebra-consensus/Cargo.toml
+++ b/zebra-consensus/Cargo.toml
@@ -99,3 +99,7 @@ tracing-subscriber = "0.3.18"
 zebra-state = { path = "../zebra-state", version = "1.0.0-beta.40", features = ["proptest-impl"] }
 zebra-chain = { path = "../zebra-chain", version = "1.0.0-beta.40", features = ["proptest-impl"] }
 zebra-test = { path = "../zebra-test/", version = "1.0.0-beta.40" }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("nsm"))'] }
+
diff --git a/zebra-consensus/src/block/tests.rs b/zebra-consensus/src/block/tests.rs
index 9c317c131aa..030b3e15abd 100644
--- a/zebra-consensus/src/block/tests.rs
+++ b/zebra-consensus/src/block/tests.rs
@@ -305,8 +305,7 @@ fn subsidy_is_valid_for_network(network: Network) -> Result<(), Report> {
         // TODO: first halving, second halving, third halving, and very large halvings
         if height >= canopy_activation_height {
             let expected_block_subsidy =
-                subsidy::general::block_subsidy(height, &network)
-                    .expect("valid block subsidy");
+                subsidy::general::block_subsidy(height, &network).expect("valid block subsidy");
 
             check::subsidy_is_valid(&block, &network, expected_block_subsidy)
                 .expect("subsidies should pass for this block");
@@ -344,8 +343,7 @@ fn coinbase_validation_failure() -> Result<(), Report> {
     let expected = BlockError::NoTransactions;
     assert_eq!(expected, result);
 
-    let result =
-        check::subsidy_is_valid(&block, &network, expected_block_subsidy).unwrap_err();
+    let result = check::subsidy_is_valid(&block, &network, expected_block_subsidy).unwrap_err();
     let expected = BlockError::Transaction(TransactionError::Subsidy(SubsidyError::NoCoinbase));
     assert_eq!(expected, result);
 
@@ -371,8 +369,7 @@ fn coinbase_validation_failure() -> Result<(), Report> {
     let expected = BlockError::Transaction(TransactionError::CoinbasePosition);
     assert_eq!(expected, result);
 
-    let result =
-        check::subsidy_is_valid(&block, &network, expected_block_subsidy).unwrap_err();
+    let result = check::subsidy_is_valid(&block, &network, expected_block_subsidy).unwrap_err();
     let expected = BlockError::Transaction(TransactionError::Subsidy(SubsidyError::NoCoinbase));
     assert_eq!(expected, result);
 
@@ -433,8 +430,7 @@ fn funding_stream_validation_for_network(network: Network) -> Result<(), Report>
         if height >= canopy_activation_height {
             let block = Block::zcash_deserialize(&block[..]).expect("block should deserialize");
             let expected_block_subsidy =
-                subsidy::general::block_subsidy(height, &network)
-                    .expect("valid block subsidy");
+                subsidy::general::block_subsidy(height, &network).expect("valid block subsidy");
 
             // Validate
             let result = check::subsidy_is_valid(&block, &network, expected_block_subsidy);
@@ -555,14 +551,11 @@ fn miner_fees_validation_failure() -> Result<(), Report> {
     let height = block.coinbase_height().expect("valid coinbase height");
     let expected_block_subsidy = block_subsidy(height, &network)?;
     // TODO: Add link to lockbox stream ZIP
-    let expected_deferred_amount = subsidy::funding_streams::funding_stream_values(
-        height,
-        &network,
-        expected_block_subsidy,
-    )
-    .expect("we always expect a funding stream hashmap response even if empty")
-    .remove(&FundingStreamReceiver::Deferred)
-    .unwrap_or_default();
+    let expected_deferred_amount =
+        subsidy::funding_streams::funding_stream_values(height, &network, expected_block_subsidy)
+            .expect("we always expect a funding stream hashmap response even if empty")
+            .remove(&FundingStreamReceiver::Deferred)
+            .unwrap_or_default();
 
     assert_eq!(
         check::miner_fees_are_valid(
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index d8551e78875..ce07b4654c9 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -97,3 +97,6 @@ toml = "0.8.19"
 
 zebra-chain = { path = "../zebra-chain", features = ["proptest-impl"] }
 zebra-test = { path = "../zebra-test/" }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("nsm"))'] }
diff --git a/zebra-rpc/Cargo.toml b/zebra-rpc/Cargo.toml
index ad35c00be3f..2c189efe042 100644
--- a/zebra-rpc/Cargo.toml
+++ b/zebra-rpc/Cargo.toml
@@ -138,3 +138,7 @@ zebra-state = { path = "../zebra-state", version = "1.0.0-beta.40", features = [
 ] }
 
 zebra-test = { path = "../zebra-test", version = "1.0.0-beta.40" }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("nsm"))'] }
+
diff --git a/zebra-state/Cargo.toml b/zebra-state/Cargo.toml
index f484fb57489..4dd2675bb1a 100644
--- a/zebra-state/Cargo.toml
+++ b/zebra-state/Cargo.toml
@@ -116,3 +116,6 @@ tokio = { version = "1.40.0", features = ["full", "tracing", "test-util"] }
 
 zebra-chain = { path = "../zebra-chain", version = "1.0.0-beta.40", features = ["proptest-impl"] }
 zebra-test = { path = "../zebra-test/", version = "1.0.0-beta.40" }
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(zcash_unstable, values("nsm"))'] }
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 4b7264bc3e8..76041b9e491 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -301,4 +301,4 @@ zebra-grpc = { path = "../zebra-grpc", version = "0.1.0-alpha.7" }
 zebra-utils = { path = "../zebra-utils", version = "1.0.0-beta.40" }
 
 [lints.rust]
-unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)'] }
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tokio_unstable)', 'cfg(zcash_unstable, values("nsm"))'] }