diff --git a/slasher/src/lib.rs b/slasher/src/lib.rs
index 339ca1f7d3a..0c097ac77fb 100644
--- a/slasher/src/lib.rs
+++ b/slasher/src/lib.rs
@@ -60,49 +60,46 @@ impl<E: EthSpec> AttesterSlashingStatus<E> {
         Ok(match self {
             NotSlashable => None,
             AlreadyDoubleVoted => None,
-            DoubleVote(existing) | SurroundedByExisting(existing) => match *existing {
-                IndexedAttestation::Base(existing_att) => {
-                    Some(AttesterSlashing::Base(AttesterSlashingBase {
-                        attestation_1: existing_att,
-                        attestation_2: new_attestation
-                            .as_base()
-                            .map_err(|e| format!("{e:?}"))?
-                            .clone(),
-                    }))
-                }
-                IndexedAttestation::Electra(existing_att) => {
-                    Some(AttesterSlashing::Electra(AttesterSlashingElectra {
-                        attestation_1: existing_att,
-                        // A double vote should never convert, a surround vote where the surrounding
-                        // vote is electra may convert.
+            DoubleVote(existing) | SurroundedByExisting(existing) => {
+                match (&*existing, new_attestation) {
+                    (IndexedAttestation::Base(existing_att), IndexedAttestation::Base(new)) => {
+                        Some(AttesterSlashing::Base(AttesterSlashingBase {
+                            attestation_1: existing_att.clone(),
+                            attestation_2: new.clone(),
+                        }))
+                    }
+                    // A slashing involving an electra attestation type must return an `AttesterSlashingElectra` type
+                    (_, _) => Some(AttesterSlashing::Electra(AttesterSlashingElectra {
+                        attestation_1: existing
+                            .clone()
+                            .to_electra()
+                            .map_err(|e| format!("{e:?}"))?,
                         attestation_2: new_attestation
                             .clone()
                             .to_electra()
                             .map_err(|e| format!("{e:?}"))?,
+                    })),
+                }
+            }
+            SurroundsExisting(existing) => match (&*existing, new_attestation) {
+                (IndexedAttestation::Base(existing_att), IndexedAttestation::Base(new)) => {
+                    Some(AttesterSlashing::Base(AttesterSlashingBase {
+                        attestation_1: new.clone(),
+                        attestation_2: existing_att.clone(),
                     }))
                 }
+                // A slashing involving an electra attestation type must return an `AttesterSlashingElectra` type
+                (_, _) => Some(AttesterSlashing::Electra(AttesterSlashingElectra {
+                    attestation_1: new_attestation
+                        .clone()
+                        .to_electra()
+                        .map_err(|e| format!("{e:?}"))?,
+                    attestation_2: existing
+                        .clone()
+                        .to_electra()
+                        .map_err(|e| format!("{e:?}"))?,
+                })),
             },
-            SurroundsExisting(existing) => {
-                match new_attestation {
-                    IndexedAttestation::Base(new_attestation) => {
-                        Some(AttesterSlashing::Base(AttesterSlashingBase {
-                            attestation_1: existing
-                                .as_base()
-                                .map_err(|e| format!("{e:?}"))?
-                                .clone(),
-                            attestation_2: new_attestation.clone(),
-                        }))
-                    }
-                    IndexedAttestation::Electra(new_attestation) => {
-                        Some(AttesterSlashing::Electra(AttesterSlashingElectra {
-                            attestation_1: existing.to_electra().map_err(|e| format!("{e:?}"))?,
-                            // A double vote should never convert, a surround vote where the surrounding
-                            // vote is electra may convert.
-                            attestation_2: new_attestation.clone(),
-                        }))
-                    }
-                }
-            }
         })
     }
 }
diff --git a/slasher/src/test_utils.rs b/slasher/src/test_utils.rs
index a5ca34c694c..69b4ad9f3bc 100644
--- a/slasher/src/test_utils.rs
+++ b/slasher/src/test_utils.rs
@@ -64,7 +64,6 @@ pub fn att_slashing(
     attestation_1: &IndexedAttestation<E>,
     attestation_2: &IndexedAttestation<E>,
 ) -> AttesterSlashing<E> {
-    // TODO(electra): fix this one we superstruct IndexedAttestation (return the correct type)
     match (attestation_1, attestation_2) {
         (IndexedAttestation::Base(att1), IndexedAttestation::Base(att2)) => {
             AttesterSlashing::Base(AttesterSlashingBase {
@@ -72,13 +71,11 @@ pub fn att_slashing(
                 attestation_2: att2.clone(),
             })
         }
-        (IndexedAttestation::Electra(att1), IndexedAttestation::Electra(att2)) => {
-            AttesterSlashing::Electra(AttesterSlashingElectra {
-                attestation_1: att1.clone(),
-                attestation_2: att2.clone(),
-            })
-        }
-        _ => panic!("attestations must be of the same type"),
+        // A slashing involving an electra attestation type must return an electra AttesterSlashing type
+        (_, _) => AttesterSlashing::Electra(AttesterSlashingElectra {
+            attestation_1: attestation_1.clone().to_electra().unwrap(),
+            attestation_2: attestation_2.clone().to_electra().unwrap(),
+        }),
     }
 }
 
diff --git a/slasher/tests/attester_slashings.rs b/slasher/tests/attester_slashings.rs
index 902141d9710..fa73175126a 100644
--- a/slasher/tests/attester_slashings.rs
+++ b/slasher/tests/attester_slashings.rs
@@ -6,8 +6,7 @@ use rayon::prelude::*;
 use slasher::{
     config::DEFAULT_CHUNK_SIZE,
     test_utils::{
-        att_slashing, chain_spec, indexed_att, indexed_att_electra,
-        slashed_validators_from_slashings, E,
+        att_slashing, indexed_att, indexed_att_electra, slashed_validators_from_slashings, E,
     },
     Config, Slasher,
 };