diff --git a/lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl b/lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl
index 15d7111499..c8effacce4 100644
--- a/lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl
+++ b/lib/OrdinaryDiffEqFIRK/test/ode_firk_tests.jl
@@ -14,10 +14,12 @@ sim21 = test_convergence(1 ./ 2 .^ (2.5:-1:0.5), prob_ode_linear, RadauIIA9())
 sim21 = test_convergence(1 ./ 2 .^ (2.5:-1:0.5), prob_ode_2Dlinear, RadauIIA9())
 @test sim21.𝒪est[:final]≈8 atol=testTol
 
+using GenericSchur
+
 prob_ode_linear_big = remake(prob_ode_linear, u0 = big.(prob_ode_linear.u0), tspan = big.(prob_ode_linear.tspan))
 prob_ode_2Dlinear_big = remake(prob_ode_2Dlinear, u0 = big.(prob_ode_2Dlinear.u0), tspan = big.(prob_ode_2Dlinear.tspan))
 
-for i in [5, 9, 13], prob in [prob_ode_linear_big, prob_ode_2Dlinear_big]
+for i in [5, 9, 13, 17, 21, 25], prob in [prob_ode_linear_big, prob_ode_2Dlinear_big]
     dts = 1 ./ 2 .^ (4.25:-1:0.25)
     local sim21 = test_convergence(dts, prob, AdaptiveRadau(min_order = i, max_order = i))
     @test sim21.𝒪est[:final]≈ i atol=testTol
diff --git a/lib/OrdinaryDiffEqFIRK/test/ode_high_order_firk_tests.jl b/lib/OrdinaryDiffEqFIRK/test/ode_high_order_firk_tests.jl
deleted file mode 100644
index 5f0efa71f8..0000000000
--- a/lib/OrdinaryDiffEqFIRK/test/ode_high_order_firk_tests.jl
+++ /dev/null
@@ -1,14 +0,0 @@
-using OrdinaryDiffEqFIRK, DiffEqDevTools, Test, LinearAlgebra
-import ODEProblemLibrary: prob_ode_linear, prob_ode_2Dlinear
-
-using GenericSchur
-testTol = 0.5
-
-prob_ode_linear_big = remake(prob_ode_linear, u0 = big.(prob_ode_linear.u0), tspan = big.(prob_ode_linear.tspan))
-prob_ode_2Dlinear_big = remake(prob_ode_2Dlinear, u0 = big.(prob_ode_2Dlinear.u0), tspan = big.(prob_ode_2Dlinear.tspan))
-
-for i in [17, 21, 25], prob in [prob_ode_linear_big, prob_ode_2Dlinear_big]
-    dts = 1 ./ 2 .^ (4.25:-1:0.25)
-    sim21 = test_convergence(dts, prob, AdaptiveRadau(min_order = i, max_order = i))
-    @test sim21.𝒪est[:final]≈ i atol=testTol
-end
diff --git a/lib/OrdinaryDiffEqFIRK/test/runtests.jl b/lib/OrdinaryDiffEqFIRK/test/runtests.jl
index ec335b116b..b252cdf8f2 100644
--- a/lib/OrdinaryDiffEqFIRK/test/runtests.jl
+++ b/lib/OrdinaryDiffEqFIRK/test/runtests.jl
@@ -1,4 +1,3 @@
 using SafeTestsets
 
-@time @safetestset "FIRK Tests" include("ode_firk_tests.jl")
-@time @safetestset "High Order FIRK Tests" include("ode_high_order_firk_tests.jl")
+@time @safetestset "FIRK Tests" include("ode_firk_tests.jl")
\ No newline at end of file