diff --git a/slasher/src/database.rs b/slasher/src/database.rs
index 2463c77f41e..81e9faa5bdd 100644
--- a/slasher/src/database.rs
+++ b/slasher/src/database.rs
@@ -25,7 +25,7 @@ use types::{
 };
 
 /// Current database schema version, to check compatibility of on-disk DB with software.
-pub const CURRENT_SCHEMA_VERSION: u64 = 4;
+pub const CURRENT_SCHEMA_VERSION: u64 = 3;
 
 /// Metadata about the slashing database itself.
 const METADATA_DB: &str = "metadata";
diff --git a/slasher/src/migrate.rs b/slasher/src/migrate.rs
index ce298caaf2c..674ab9c132d 100644
--- a/slasher/src/migrate.rs
+++ b/slasher/src/migrate.rs
@@ -17,10 +17,6 @@ impl<E: EthSpec> SlasherDB<E> {
                     software_schema_version: CURRENT_SCHEMA_VERSION,
                 }),
                 (x, y) if x == y => Ok(self),
-                (3, 4) => {
-                    // TODO(electra): db migration due to `IndexedAttestationOnDisk`
-                    Ok(self)
-                }
                 (_, _) => Err(Error::IncompatibleSchemaVersion {
                     database_schema_version: schema_version,
                     software_schema_version: CURRENT_SCHEMA_VERSION,