diff --git a/evm/src/memory/segments.rs b/evm/src/memory/segments.rs
index 37cdc4b6..48f9136b 100644
--- a/evm/src/memory/segments.rs
+++ b/evm/src/memory/segments.rs
@@ -22,15 +22,8 @@ pub(crate) enum Segment {
     TxnFields = 8,
     /// Contains the data field of a transaction.
     TxnData = 9,
-    /// A buffer used to hold raw RLP data.
+    /// Raw RLP data.
     RlpRaw = 10,
-    /// Contains all trie data. Tries are stored as immutable, copy-on-write trees, so this is an
-    /// append-only buffer. It is owned by the kernel, so it is only used with context 0.
-    TrieData = 11,
-    /// The account address associated with the `i`th storage trie.
-    StorageTrieAddresses = 12,
-    /// A pointer to the `i`th storage within the `TrieData` buffer.
-    StorageTriePointers = 13,
 }
 
 impl Segment {