diff --git a/app/Models/ScoringGuide.php b/app/Models/ScoringGuide.php
index 41eb451..3b6195a 100644
--- a/app/Models/ScoringGuide.php
+++ b/app/Models/ScoringGuide.php
@@ -6,10 +6,6 @@ use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
-use function array_diff_key;
-use function array_key_exists;
-use function is_null;
-
 class ScoringGuide extends Model
 {
     use HasFactory;
@@ -27,32 +23,4 @@ class ScoringGuide extends Model
     {
         return $this->hasMany(SubscoreDefinition::class);
     }
-
-    /**
-     * Validate a set of subscores. Expects an array in the form of subscore_id => score
-     *
-     * @return string
-     */
-    public function validateScores(array $prospective_score)
-    {
-        foreach ($this->subscores as $subscore) {
-            if (! array_key_exists($subscore->id, $prospective_score)) {
-                return 'A score must be provided for '.$subscore->name;
-            }
-            if (is_null($prospective_score[$subscore->id])) {
-                return 'A score must be provided for '.$subscore->name;
-            }
-            if ($prospective_score[$subscore->id] > $subscore->max_score) {
-                return 'The '.$subscore->name.' score must be less than or equal to '.$subscore->max_score;
-            }
-        }
-
-        $subscore_ids = $this->subscores->pluck('id')->flip()->all();
-        $diff = array_diff_key($prospective_score, $subscore_ids);
-        if (! empty($diff)) {
-            return 'Invalid scores submitted';
-        }
-
-        return 'success';
-    }
 }