diff --git a/docs/apibuild.py b/docs/apibuild.py
index e73a85d69b..7b336b3d5d 100755
--- a/docs/apibuild.py
+++ b/docs/apibuild.py
@@ -240,8 +240,6 @@ class index:
                 self.includes[name] = d
             elif type == "struct":
                 self.structs[name] = d
-            elif type == "struct":
-                self.structs[name] = d
             elif type == "union":
                 self.unions[name] = d
             elif type == "enum":