diff --git a/zebra-chain/src/parameters/network/subsidy.rs b/zebra-chain/src/parameters/network/subsidy.rs
index 537c91ad8be..5895ccac6cb 100644
--- a/zebra-chain/src/parameters/network/subsidy.rs
+++ b/zebra-chain/src/parameters/network/subsidy.rs
@@ -40,10 +40,6 @@ pub const BLOSSOM_POW_TARGET_SPACING_RATIO: u32 = 2;
 /// `(60 * 60 * 24 * 365 * 4) / 150 = 840960`
 pub const PRE_BLOSSOM_HALVING_INTERVAL: HeightDiff = 840_000;
 
-/// The halving height interval in the regtest is 6 hours.
-/// [zcashd regtest halving interval](https://github.com/zcash/zcash/blob/v5.10.0/src/consensus/params.h#L252)
-pub(crate) const PRE_BLOSSOM_REGTEST_HALVING_INTERVAL: HeightDiff = 144;
-
 /// After Blossom the block time is reduced to 75 seconds but halving period should remain around 4 years.
 pub const POST_BLOSSOM_HALVING_INTERVAL: HeightDiff =
     PRE_BLOSSOM_HALVING_INTERVAL * (BLOSSOM_POW_TARGET_SPACING_RATIO as HeightDiff);
diff --git a/zebra-chain/src/parameters/network/testnet.rs b/zebra-chain/src/parameters/network/testnet.rs
index a82a34a8ae6..c5848c7e4e2 100644
--- a/zebra-chain/src/parameters/network/testnet.rs
+++ b/zebra-chain/src/parameters/network/testnet.rs
@@ -19,8 +19,8 @@ use super::{
         BLOSSOM_POW_TARGET_SPACING_RATIO, FIRST_HALVING_TESTNET,
         FUNDING_STREAM_ADDRESS_CHANGE_INTERVAL, POST_BLOSSOM_HALVING_INTERVAL,
         POST_NU6_FUNDING_STREAMS_MAINNET, POST_NU6_FUNDING_STREAMS_TESTNET,
-        PRE_BLOSSOM_HALVING_INTERVAL, PRE_BLOSSOM_REGTEST_HALVING_INTERVAL,
-        PRE_NU6_FUNDING_STREAMS_MAINNET, PRE_NU6_FUNDING_STREAMS_TESTNET,
+        PRE_BLOSSOM_HALVING_INTERVAL, PRE_NU6_FUNDING_STREAMS_MAINNET,
+        PRE_NU6_FUNDING_STREAMS_TESTNET,
     },
 };
 
@@ -53,6 +53,10 @@ const REGTEST_GENESIS_HASH: &str =
 const TESTNET_GENESIS_HASH: &str =
     "05a60a92d99d85997cce3b87616c089f6124d7342af37106edc76126334a2c38";
 
+/// The halving height interval in the regtest is 6 hours.
+/// [zcashd regtest halving interval](https://github.com/zcash/zcash/blob/v5.10.0/src/consensus/params.h#L252)
+const PRE_BLOSSOM_REGTEST_HALVING_INTERVAL: HeightDiff = 144;
+
 /// Used to validate number of funding stream recipient addresses on configured Testnets.
 struct TestnetParameterSubsidyImpl;