diff --git a/consensus/proto_array/src/proto_array.rs b/consensus/proto_array/src/proto_array.rs
index 6931bdc34a..a669323afa 100644
--- a/consensus/proto_array/src/proto_array.rs
+++ b/consensus/proto_array/src/proto_array.rs
@@ -730,7 +730,7 @@ impl ProtoArray {
     /// Returns `true` if the proposer boost should be kept. Returns `false` if the
     /// boost should be subtracted (invalidated) because the parent is weak and there
     /// are no equivocating blocks at the parent's slot.
-    pub(crate) fn should_apply_proposer_boost<E: EthSpec>(
+    fn should_apply_proposer_boost<E: EthSpec>(
         &self,
         proposer_boost_root: Hash256,
         justified_balances: &JustifiedBalances,
@@ -1129,7 +1129,7 @@ impl ProtoArray {
     ///
     /// Returns the set of node indices on viable branches — those with at least
     /// one leaf descendant with correct justified/finalized checkpoints.
-    pub(crate) fn get_filtered_block_tree<E: EthSpec>(
+    fn get_filtered_block_tree<E: EthSpec>(
         &self,
         start_index: usize,
         current_slot: Slot,
@@ -1303,7 +1303,7 @@ impl ProtoArray {
     /// This is similar to `find_head_walk`, except it walks every viable branch instead of taking
     /// the maximum child at each step.
     #[allow(clippy::too_many_arguments)]
-    pub(crate) fn filtered_block_tree_leaves_and_weights<E: EthSpec>(
+    pub fn filtered_block_tree_leaves_and_weights<E: EthSpec>(
         &self,
         justified_root: &Hash256,
         current_slot: Slot,
diff --git a/consensus/proto_array/src/proto_array_fork_choice.rs b/consensus/proto_array/src/proto_array_fork_choice.rs
index c75a5d023f..9711f56b0b 100644
--- a/consensus/proto_array/src/proto_array_fork_choice.rs
+++ b/consensus/proto_array/src/proto_array_fork_choice.rs
@@ -1119,33 +1119,6 @@ impl ProtoArrayForkChoice {
             .map(|node| node.weight())
     }
 
-    /// Returns the leaves of the filtered block tree (rooted at `justified_root`) along with
-    /// their weights — i.e. roots that are viable for head and have no descendant that is also
-    /// viable for head. Mirrors the spec's `viable_for_head_roots_and_weights` check.
-    #[allow(clippy::too_many_arguments)]
-    pub fn filtered_block_tree_leaves_and_weights<E: EthSpec>(
-        &self,
-        justified_root: &Hash256,
-        current_slot: Slot,
-        justified_checkpoint: Checkpoint,
-        finalized_checkpoint: Checkpoint,
-        proposer_boost_root: Hash256,
-        justified_balances: &JustifiedBalances,
-        spec: &ChainSpec,
-    ) -> Result<Vec<(Hash256, PayloadStatus, u64)>, String> {
-        self.proto_array
-            .filtered_block_tree_leaves_and_weights::<E>(
-                justified_root,
-                current_slot,
-                justified_checkpoint,
-                finalized_checkpoint,
-                proposer_boost_root,
-                justified_balances,
-                spec,
-            )
-            .map_err(|e| format!("filtered_block_tree_leaves_and_weights failed: {e:?}"))
-    }
-
     /// Returns the payload status of the head node based on accumulated weights and tiebreaker.
     ///
     /// See `ProtoArray` documentation.
diff --git a/testing/ef_tests/src/cases/fork_choice.rs b/testing/ef_tests/src/cases/fork_choice.rs
index d44ae43298..fd65ae290a 100644
--- a/testing/ef_tests/src/cases/fork_choice.rs
+++ b/testing/ef_tests/src/cases/fork_choice.rs
@@ -1412,6 +1412,7 @@ impl<E: EthSpec> Tester<E> {
         let justified_balances = fork_choice.fc_store().justified_balances().clone();
         let actual = fork_choice
             .proto_array()
+            .core_proto_array()
             .filtered_block_tree_leaves_and_weights::<E>(
                 &justified.root,
                 current_slot,
@@ -1423,7 +1424,7 @@ impl<E: EthSpec> Tester<E> {
             )
             .map_err(|e| {
                 Error::InternalError(format!(
-                    "filtered_block_tree_leaves_and_weights failed: {e}"
+                    "filtered_block_tree_leaves_and_weights failed: {e:?}"
                 ))
             })?;
         drop(fork_choice);