diff --git a/Project.toml b/Project.toml
index 4b4f7dd7..0d8880ac 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,11 +23,10 @@ Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
 JLArrays = "27aeb0d3-9eb9-45fb-866b-73c2ecf80fcb"
 OffsetArrays = "6fe1bfb0-de20-5000-8ca7-80f57d26f881"
 PooledArrays = "2dfb63ee-cc39-5dd5-95bd-886bf059d720"
-Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 TypedTables = "9d95f2ec-7b3d-5a63-8d20-e2491e220bb9"
 WeakRefStrings = "ea10d353-3f73-51f8-a26c-33c1cb351aa5"
 
 [targets]
-test = ["Test", "JLArrays", "StaticArrays", "OffsetArrays", "PooledArrays", "TypedTables", "WeakRefStrings", "Documenter", "Random"]
+test = ["Test", "JLArrays", "StaticArrays", "OffsetArrays", "PooledArrays", "TypedTables", "WeakRefStrings", "Documenter"]
diff --git a/test/runtests.jl b/test/runtests.jl
index f6a389b8..9ac56f6f 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -7,7 +7,6 @@ using TypedTables: Table
 using DataAPI: refarray, refvalue
 using Adapt: adapt, Adapt
 using JLArrays
-using Random
 using Test
 
 using Documenter: doctest
@@ -1166,11 +1165,11 @@ Base.BroadcastStyle(::Broadcast.ArrayStyle{MyArray2}, S::Broadcast.DefaultArrayS
         test_set = Any[s1, s2, s3, s4]
         tested_style = Any[]
         dotaddadd((a, b, c),) = @. a + b + c
-        for is in Iterators.product(randperm(4), randperm(4), randperm(4))
-            as = map(i -> test_set[i], is)
+        for as in Iterators.product(test_set, test_set, test_set)
             ares = map(a->a.re, as)
             aims = map(a->a.im, as)
             style = Broadcast.combine_styles(ares...)
+            @test Broadcast.combine_styles(as...) === StructArrayStyle{typeof(style),1}()
             if !(style in tested_style)
                 push!(tested_style, style)
                 if style isa Broadcast.ArrayStyle{MyArray3}
@@ -1216,8 +1215,7 @@ Base.BroadcastStyle(::Broadcast.ArrayStyle{MyArray2}, S::Broadcast.DefaultArrayS
                     1]
         tested_style = StructArrayStyle[]
         dotaddsub((a, b, c),) = @. a + b - c
-        for is in Iterators.product(randperm(6), randperm(6), randperm(6))
-            as = map(i -> test_set[i], is)
+        for as in Iterators.product(test_set, test_set, test_set)
             if any(a -> a isa StructArray, as)
                 style = Broadcast.combine_styles(as...)
                 if !(style in tested_style)
@@ -1229,6 +1227,12 @@ Base.BroadcastStyle(::Broadcast.ArrayStyle{MyArray2}, S::Broadcast.DefaultArrayS
         @test length(tested_style) == 4
     end
 
+    @testset "allocation test" begin
+        a = StructArray{ComplexF64}(undef, 1)
+        allocated(a) = @allocated  a .+ 1
+        @test allocated(a) == 2allocated(a.re)
+    end
+
     @testset "StructStaticArray" begin
         bclog(s) = log.(s)
         test_allocated(f, s) = @test (@allocated f(s)) == 0