diff --git a/config_test.go b/config_test.go
deleted file mode 100644
index 516b05218e..0000000000
--- a/config_test.go
+++ /dev/null
@@ -1,45 +0,0 @@
-package testcontainers_test
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-
-	"github.com/testcontainers/testcontainers-go"
-	"github.com/testcontainers/testcontainers-go/internal/config"
-)
-
-// unset environment variables to avoid side effects
-// execute this function before each test
-func resetTestEnv(t *testing.T) {
-	t.Setenv("TESTCONTAINERS_RYUK_DISABLED", "")
-	t.Setenv("TESTCONTAINERS_RYUK_CONTAINER_PRIVILEGED", "")
-}
-
-func TestReadConfig(t *testing.T) {
-	resetTestEnv(t)
-	t.Cleanup(func() {
-		config.Reset()
-	})
-
-	t.Run("Config is read just once", func(t *testing.T) {
-		t.Setenv("HOME", "")
-		t.Setenv("USERPROFILE", "") // Windows support
-		t.Setenv("TESTCONTAINERS_RYUK_DISABLED", "true")
-
-		cfg := testcontainers.ReadConfig()
-
-		expected := testcontainers.TestcontainersConfig{
-			RyukDisabled: true,
-			Config: config.Config{
-				RyukDisabled: true,
-			},
-		}
-
-		assert.Equal(t, expected, cfg)
-
-		t.Setenv("TESTCONTAINERS_RYUK_DISABLED", "false")
-		cfg = testcontainers.ReadConfig()
-		assert.Equal(t, expected, cfg)
-	})
-}