diff --git a/test/runtests.jl b/test/runtests.jl
index eda2fee..8a1eda5 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -3,37 +3,9 @@ module TestTidier
 using Tidier
 using Test
 using Documenter
-using DataFrames
 
 DocMeta.setdocmeta!(Tidier, :DocTestSetup, :(using Tidier); recursive=true)
 
 doctest(Tidier)
 
-@testset "type conversions" begin
-    conversion_test = DataFrame(
-        non_floats = ["1.0", "2", "hello", 1, 2.0],
-        non_ints = ["1", "1.0", "hello", 1.5, 2.0],
-        non_strings = ["1", "1.0", "hello", 1, 2.0]
-    )
-
-    conversion_truth = DataFrame(
-        non_floats = [1.0, 2.0, missing, 1.0, 2.0],
-        non_ints = [1, missing, missing, missing, 2],
-        non_strings = ["1", "1.0", "hello", "1", "2.0"]
-    )
-
-    conversion_test = @chain conversion_test begin
-        @mutate(non_floats = as_float(non_floats))
-        @mutate(non_ints = as_integer(non_ints))
-        @mutate(non_strings = as_string(non_strings))
-    end
-
-    res = isequal.(conversion_test, conversion_truth)
-
-    @test all(res.non_floats)
-    @test all(res.non_ints)
-    @test all(res.non_strings)
-end
-
-
 end
\ No newline at end of file