diff --git a/docs/src/hamiltonians.md b/docs/src/hamiltonians.md
index 1c4bd0db3..3b47c155a 100644
--- a/docs/src/hamiltonians.md
+++ b/docs/src/hamiltonians.md
@@ -136,10 +136,6 @@ The following functions come with default implementations, but may be customized
 ```@docs
 random_offdiagonal
 Hamiltonians.LOStructure
-IsDiagonal
-IsHermitian
-AdjointKnown
-AdjointUnknown
 dimension
 has_adjoint
 allowed_address_type
diff --git a/src/Interfaces/hamiltonians.jl b/src/Interfaces/hamiltonians.jl
index c994360c6..be7515b83 100644
--- a/src/Interfaces/hamiltonians.jl
+++ b/src/Interfaces/hamiltonians.jl
@@ -234,8 +234,6 @@ Part of the [`AbstractHamiltonian`](@ref) interface.
 In order to define this trait for a new linear operator type, define a method for
 `LOStructure(::Type{<:MyNewLOType}) = …`.
 """
-LOStructure, IsDiagonal, IsHermitian, AdjointKnown, AdjointUnknown
-
 abstract type LOStructure end
 
 struct IsDiagonal <: LOStructure end