diff --git a/build-aux/git-authenticate.scm b/build-aux/git-authenticate.scm
index 4f9ef7c886..640dedbff5 100644
--- a/build-aux/git-authenticate.scm
+++ b/build-aux/git-authenticate.scm
@@ -184,8 +184,6 @@ (define %committers
      "77DD AD2D 97F5 31BB C0F3  C7FD DFB5 EB09 AA62 5423")
     ("snape"
      "F494 72F4 7A59 00D5 C235  F212 89F9 6D48 08F3 59C7")
-    ("snape"
-     "F494 72F4 7A59 00D5 C235  F212 89F9 6D48 08F3 59C7")
     ("steap"
      "4E26 CCE9 578E 0828 9855  BDD4 1C79 95D2 D5A3 8336")
     ("taylanub"