diff --git a/model/Human-GEM.yml b/model/Human-GEM.yml
index 87ff0ef5..e7060a89 100644
--- a/model/Human-GEM.yml
+++ b/model/Human-GEM.yml
@@ -144922,24 +144922,6 @@
       - subsystem:
           - "Bile acid biosynthesis"
       - confidence_score: 0
-    - !!omap
-      - id: "MAR01639"
-      - name: ""
-      - metabolites: !!omap
-          - MAM00618x: -1
-          - MAM00749x: 1
-          - MAM02041x: 1
-          - MAM02630x: -1
-      - lower_bound: 0
-      - upper_bound: 1000
-      - gene_reaction_rule: "ENSG00000087008 or ENSG00000161533"
-      - rxnNotes: ""
-      - rxnFrom: "HMRdatabase"
-      - eccodes: "1.3.3.6;1.17.99.-"
-      - references: "PMID:11356170;PMID:8943006;PMID:10709654"
-      - subsystem:
-          - "Bile acid biosynthesis"
-      - confidence_score: 0
     - !!omap
       - id: "MAR01642"
       - name: "(24R,25R)-3alpha,7alpha,12alpha,24-tetrahydroxy-5beta-cholestanoyl-CoA hydro-lyase [(24E)-3alpha,7alpha,12alpha-trihydroxy-5beta-cholest-24-enoyl-CoA-forming]"