diff --git a/Project.toml b/Project.toml
index 47f9c0be..f729089c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -15,7 +15,7 @@ ChainRules = "082447d4-558c-5d27-93f4-14fc19e9eca2"
 GPUArraysCore = "46192b85-c4d5-4398-a991-12ede77f4527"
 ReverseDiff = "37e2e3b7-166d-5795-8a7a-e32c996b4267"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
-StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
+StaticArraysCore = "1e83bf80-4336-4d27-bf5d-d5a4f845583c"
 Tracker = "9f7883ad-71c0-57eb-9f7f-b5c9e6d3789c"
 
 [extensions]
@@ -27,7 +27,7 @@ ArrayInterfaceChainRulesExt = "ChainRules"
 ArrayInterfaceGPUArraysCoreExt = "GPUArraysCore"
 ArrayInterfaceReverseDiffExt = "ReverseDiff"
 ArrayInterfaceSparseArraysExt = "SparseArrays"
-ArrayInterfaceStaticArraysExt = "StaticArrays"
+ArrayInterfaceStaticArraysCoreExt = "StaticArraysCore"
 ArrayInterfaceTrackerExt = "Tracker"
 
 [compat]
diff --git a/ext/ArrayInterfaceStaticArraysExt.jl b/ext/ArrayInterfaceStaticArraysCoreExt.jl
similarity index 75%
rename from ext/ArrayInterfaceStaticArraysExt.jl
rename to ext/ArrayInterfaceStaticArraysCoreExt.jl
index 80e8e4a7..7b33dc80 100644
--- a/ext/ArrayInterfaceStaticArraysExt.jl
+++ b/ext/ArrayInterfaceStaticArraysCoreExt.jl
@@ -1,8 +1,8 @@
-module ArrayInterfaceStaticArraysExt
+module ArrayInterfaceStaticArraysCoreExt
 
 import ArrayInterface
 using LinearAlgebra
-import StaticArrays: SArray, SMatrix, SVector, StaticMatrix, StaticArray, SizedArray, MArray, MMatrix, LU
+import StaticArraysCore: SArray, SMatrix, SVector, StaticMatrix, StaticArray, SizedArray, MArray, MMatrix
 
 function ArrayInterface.undefmatrix(::MArray{S, T, N, L}) where {S, T, N, L}
     return MMatrix{L, L, T, L*L}(undef)
@@ -21,10 +21,6 @@ ArrayInterface.can_setindex(::Type{<:StaticArray}) = false
 ArrayInterface.can_setindex(::Type{<:MArray}) = true
 ArrayInterface.buffer(A::Union{SArray, MArray}) = getfield(A, :data)
 
-function ArrayInterface.lu_instance(A::SMatrix{N,N}) where {N}
-    LU(LowerTriangular(A), UpperTriangular(A), SVector{N}(1:N))
-end
-
 function ArrayInterface.lu_instance(A::StaticMatrix{N,N}) where {N}
     lu(one(A))
 end