diff --git a/docs/src/CommutativeAlgebra/affine_algebras.md b/docs/src/CommutativeAlgebra/affine_algebras.md
index d357613f4ed..9e65ec7002b 100644
--- a/docs/src/CommutativeAlgebra/affine_algebras.md
+++ b/docs/src/CommutativeAlgebra/affine_algebras.md
@@ -187,10 +187,6 @@ Given an element `f` of an affine algebra `A`,
 
 - `parent(f)` refers to `A`.
 
-```@docs
-is_invertible_with_inverse(f::MPolyQuoRingElem)
-```
-
 In the graded case,  we also have:
 
 ```@docs