diff --git a/Cargo.toml b/Cargo.toml
index e831d465..b099f99c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -52,7 +52,7 @@ substrate-build-script-utils = "11.0.0"
 
 # Local
 pop-runtime-devnet = { path = "runtime/devnet", default-features = true, features = ["experimental"] } # default-features=true required for `-p pop-node` builds
-pop-runtime-testnet = { path = "runtime/testnet", default-features = true } # default-features=true required for `-p pop-node` builds
+pop-runtime-testnet = { path = "runtime/testnet", default-features = true, features = ["experimental"] } # default-features=true required for `-p pop-node` builds
 pop-runtime-common = { path = "runtime/common", default-features = false }
 pop-primitives = { path = "./primitives", default-features = false }
 
diff --git a/runtime/testnet/src/lib.rs b/runtime/testnet/src/lib.rs
index eb6e3154..97bdae1b 100644
--- a/runtime/testnet/src/lib.rs
+++ b/runtime/testnet/src/lib.rs
@@ -440,9 +440,10 @@ impl pallet_aura::Config for Runtime {
 	type DisabledValidators = ();
 	type MaxAuthorities = ConstU32<100_000>;
 	type AllowMultipleBlocksPerSlot = ConstBool<false>;
-	// Note: SlotDuration enabled here due to being enabled for devnet runtime and Rust's feature
+	// Note: SlotDuration potentially enabled here due to devnet runtime and Rust's feature
 	// unification, requiring the setting of a backwards compatible value.
 	// See https://github.com/paritytech/polkadot-sdk/blob/09df373db9cd5dfed82c5cdb0736d417d54249e6/substrate/frame/aura/src/lib.rs#L262
+	#[cfg(feature = "experimental")]
 	type SlotDuration = pallet_aura::MinimumPeriodTimesTwo<Runtime>;
 }