diff --git a/src/graph.jl b/src/graph.jl
index eef76b92..be5dbb5d 100644
--- a/src/graph.jl
+++ b/src/graph.jl
@@ -25,7 +25,6 @@ SparsityPatternCSC(A::SparseMatrixCSC) = SparsityPatternCSC(A.m, A.n, A.colptr,
 
 SparseArrays.indtype(::SparsityPatternCSC{T}) where {T} = T
 Base.size(S::SparsityPatternCSC) = (S.m, S.n)
-Base.size(S::SparsityPatternCSC, d::Integer) = d::Integer <= 2 ? size(S)[d] : 1
 
 SparseArrays.nnz(S::SparsityPatternCSC) = length(S.rowval)
 SparseArrays.rowvals(S::SparsityPatternCSC) = S.rowval