diff --git a/bkbit/models/genome_annotation.py b/bkbit/models/genome_annotation.py
index 252b39b..ffa56b2 100644
--- a/bkbit/models/genome_annotation.py
+++ b/bkbit/models/genome_annotation.py
@@ -5090,10 +5090,6 @@ class GeneAnnotation(Gene):
     """
     An annotation describing the location, boundaries, and functions of  individual genes within a genome annotation.
     """
-
-    def __hash__(self):
-        return hash(tuple([self.id, self.name, self.molecular_type, self.description]))
-    
     linkml_meta: ClassVar[LinkMLMeta] = LinkMLMeta({'from_schema': 'https://identifiers.org/brain-bican/genome-annotation-schema',
          'id_prefixes': ['ENSEMBL', 'MGI', 'NCBIGene']})