diff --git a/crates/bin/pd/src/migrate/testnet72.rs b/crates/bin/pd/src/migrate/testnet72.rs
index aa8ea49d62..09f4401ed0 100644
--- a/crates/bin/pd/src/migrate/testnet72.rs
+++ b/crates/bin/pd/src/migrate/testnet72.rs
@@ -1,7 +1,7 @@
 //! Contains functions related to the migration script of Testnet72
 
 use anyhow;
-use cnidarium::{Snapshot, StateDelta, StateRead, Storage};
+use cnidarium::{Snapshot, StateDelta, StateRead, StateWrite, Storage};
 use futures::StreamExt as _;
 use jmt::RootHash;
 use penumbra_app::app::StateReadExt as _;
@@ -114,12 +114,12 @@ async fn translate_compact_block_storage(
     ctx: Context,
     delta: &mut StateDelta<Snapshot>,
 ) -> anyhow::Result<()> {
-    let mut stream = delta.prefix_raw("compactblock/");
+    let mut stream = delta.nonverifiable_prefix_raw("compactblock/".as_bytes());
     while let Some(r) = stream.next().await {
-        let (key, compactblack_bytes): (String, Vec<u8>) = r?;
+        let (key, compactblack_bytes) = r?;
         let block = pb::compact_block::v1::CompactBlock::decode(compactblack_bytes.as_slice())?;
         let block = ctx.translate_compact_block(block).await?;
-        delta.put_proto(key, block);
+        delta.nonverifiable_put_raw(key, block.encode_to_vec());
     }
     Ok(())
 }