diff --git a/Project.toml b/Project.toml
index 06a40c2..021aa0c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,20 +1,22 @@
 name = "FactoredMatrices"
 uuid = "13d07ad6-c0d4-11e8-35b1-91a532e61cc8"
-authors = ["Tim Holy <tim.holy@gmail.com>"]
 version = "1.0.0"
+authors = ["Tim Holy <tim.holy@gmail.com>"]
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 
 [compat]
 Aqua = "0.8"
+ExplicitImports = "1"
 LinearAlgebra = "1"
 Test = "1"
 julia = "1.10"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
+ExplicitImports = "7d51a73a-1435-4ff3-83d9-f097790105c7"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Aqua", "Test"]
+test = ["Aqua", "ExplicitImports", "Test"]
diff --git a/src/FactoredMatrices.jl b/src/FactoredMatrices.jl
index c6f6ab8..a80b2e3 100644
--- a/src/FactoredMatrices.jl
+++ b/src/FactoredMatrices.jl
@@ -1,6 +1,6 @@
 module FactoredMatrices
 
-using LinearAlgebra
+using LinearAlgebra: LinearAlgebra, Adjoint, Factorization, Transpose
 import Base: *, Array, Matrix, size, length, similar, ==, hash, adjoint, transpose
 import LinearAlgebra: mul!, dot
 
@@ -30,15 +30,6 @@ end
 FactoredMatrix{T}(U::AbstractMatrix{T}, V::AbstractMatrix{T}) where {T} = FactoredMatrix{T, typeof(U), typeof(V)}(U, V)
 FactoredMatrix(U::AbstractMatrix{T}, V::AbstractMatrix{T}) where {T} = FactoredMatrix{T}(U, V)
 
-function FactoredMatrix(U::Matrix{T}, V::Matrix{T}, ::Integer) where {T}
-    Base.depwarn(
-        "FactoredMatrix(U, V, j) is deprecated; use FactoredMatrix(U, V) and " *
-            "create a Workspace(fm, j) for allocation-free mul!",
-        :FactoredMatrix
-    )
-    return FactoredMatrix{T}(U, V)
-end
-
 """
     Workspace{T}(k::Int, p::Int)
     Workspace(A::FactoredMatrix, p::Int)
diff --git a/test/REQUIRE b/test/REQUIRE
deleted file mode 100644
index 3ccc0bb..0000000
--- a/test/REQUIRE
+++ /dev/null
@@ -1,5 +0,0 @@
-HyperDualNumbers
-Distances
-ForwardDiff
-JLD2
-Unitful
diff --git a/test/runtests.jl b/test/runtests.jl
index f09c55c..40b921b 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,6 +1,7 @@
 using Test, LinearAlgebra
 using FactoredMatrices
 using Aqua
+using ExplicitImports
 
 myrand(::Type{T}, m, n) where {T <: Real} = rand(T, m, n)
 myrand(::Type{Complex{T}}, m, n) where {T <: Real} = rand(T, m, n) + im * rand(T, m, n)
@@ -35,6 +36,10 @@ end
     end
 end
 
+@testset "ExplicitImports" begin
+    @test ExplicitImports.check_no_implicit_imports(FactoredMatrices) === nothing
+end
+
 @testset "FactoredMatrices" begin
     for T in (Float32, Float64, ComplexF32, ComplexF64)
         # Mf: 15×10 (U: 15×3, V: 3×10)