diff --git a/test/components/component_test.exs b/test/components/component_test.exs
index 79376ae..35ab28a 100644
--- a/test/components/component_test.exs
+++ b/test/components/component_test.exs
@@ -1,9 +1,6 @@
 defmodule Wasmex.WasmComponentsTest do
   use ExUnit.Case, async: true
 
-  alias Wasmex.Engine
-  alias Wasmex.EngineConfig
-
   test "invoke component func" do
     {:ok, store} = Wasmex.Components.Store.new_wasi()
     component_bytes = File.read!("test/component_fixtures/hello_world/hello_world.wasm")
diff --git a/test/components/component_types_test.exs b/test/components/component_types_test.exs
index 05e04cd..79b3ab6 100644
--- a/test/components/component_types_test.exs
+++ b/test/components/component_types_test.exs
@@ -1,9 +1,6 @@
 defmodule Wasm.Components.ComponentTypesTest do
   use ExUnit.Case, async: true
 
-  alias Wasmex.Engine
-  alias Wasmex.EngineConfig
-
   setup do
     {:ok, store} = Wasmex.Components.Store.new()
     component_bytes = File.read!("test/component_fixtures/component_types/component_types.wasm")
@@ -29,8 +26,10 @@ defmodule Wasm.Components.ComponentTypesTest do
 
   test "floats", %{instance: instance} do
     pi = 3.14592
-    assert {:ok, pi} = Wasmex.Components.Instance.call_function(instance, "id-f32", [pi])
-    assert {:ok, pi} = Wasmex.Components.Instance.call_function(instance, "id-f64", [pi])
+    assert {:ok, pi_result} = Wasmex.Components.Instance.call_function(instance, "id-f32", [pi])
+    assert_in_delta(pi, pi_result, 1.0e-5)
+    assert {:ok, pi_result} = Wasmex.Components.Instance.call_function(instance, "id-f64", [pi])
+    assert_in_delta(pi, pi_result, 1.0e-5)
   end
 
   test "records", %{instance: instance} do
diff --git a/test/components/components_test.exs b/test/components/components_test.exs
index 77d6de5..db87d82 100644
--- a/test/components/components_test.exs
+++ b/test/components/components_test.exs
@@ -6,7 +6,7 @@ defmodule Wasmex.ComponentsTest do
     component_bytes = File.read!("test/component_fixtures/component_types/component_types.wasm")
     component_pid = start_supervised!({Wasmex.Components, %{bytes: component_bytes}})
     assert {:ok, "mom"} = Wasmex.Components.call_function(component_pid, "id-string", ["mom"])
-    assert {:error, error} = Wasmex.Components.call_function(component_pid, "garbage", ["wut"])
+    assert {:error, _error} = Wasmex.Components.call_function(component_pid, "garbage", ["wut"])
   end
 
   test "wasi interaction" do
@@ -17,8 +17,7 @@ defmodule Wasmex.ComponentsTest do
         {Wasmex.Components, %{bytes: component_bytes, wasi: %WasiP2Options{allow_http: true}}}
       )
 
-    assert {:ok, time} =
-             assert({:ok, time} = Wasmex.Components.call_function(component_pid, "get-time", []))
+    assert {:ok, time} = Wasmex.Components.call_function(component_pid, "get-time", [])
 
     assert time =~ Date.utc_today() |> Date.to_iso8601()
   end
diff --git a/test/components/wasi_test.exs b/test/components/wasi_test.exs
index 0991d4e..0339e54 100644
--- a/test/components/wasi_test.exs
+++ b/test/components/wasi_test.exs
@@ -1,8 +1,6 @@
 defmodule Wasmex.Components.WasiTest do
   use ExUnit.Case, async: true
 
-  alias Wasmex.Engine
-  alias Wasmex.EngineConfig
   alias Wasmex.Wasi.WasiP2Options
 
   test "outbound http call" do