diff --git a/internal/config/config.go b/internal/config/config.go
index deebba0..2c051e3 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -50,14 +50,5 @@ func Configure(reset ...bool) {
 	viper.SetEnvPrefix(project.Name)
 	viper.AutomaticEnv()
 
-	// Default configuration values
-	for _, config := range defaultConfigs {
-		viper.SetDefault(config.GetKey(), config.GetDefault())
-
-		for _, alias := range config.GetAliases() {
-			viper.SetDefault(alias, config.GetDefault())
-		}
-	}
-
 	configured = true
 }
diff --git a/internal/config/integration_test.go b/internal/config/integration_test.go
new file mode 100644
index 0000000..5a8ae15
--- /dev/null
+++ b/internal/config/integration_test.go
@@ -0,0 +1,89 @@
+package config
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestAlias(t *testing.T) {
+	t.Run("default value", func(t *testing.T) {
+		var TestVariable = Create(&ViperConfigKey{
+			Key:     "test.variable",
+			Aliases: []string{},
+			Default: "take",
+		})
+		Configure(true)
+
+		require.Equal(t, "take", TestVariable.Get())
+	})
+	t.Run("default is nil", func(t *testing.T) {
+		var TestVariable = Create(&ViperConfigKey{
+			Key:     "test.variable",
+			Aliases: []string{},
+			Default: nil,
+		})
+
+		Configure(true)
+
+		require.Equal(t, "", TestVariable.Get())
+		require.Equal(t, false, TestVariable.GetBool())
+		require.Equal(t, time.Duration(0), TestVariable.GetDuration())
+		require.Equal(t, 0, TestVariable.GetInt())
+	})
+	t.Run("main only", func(t *testing.T) {
+		t.Setenv("DECKARD_TEST_VARIABLE", "takenet")
+
+		var TestVariable = Create(&ViperConfigKey{
+			Key:     "test.variable",
+			Aliases: []string{},
+			Default: "take",
+		})
+
+		Configure(true)
+
+		require.Equal(t, "takenet", TestVariable.Get())
+	})
+	t.Run("alias only", func(t *testing.T) {
+		t.Setenv("DECKARD_ANOTHER_TEST_VARIABLE", "blip")
+
+		var TestVariable = Create(&ViperConfigKey{
+			Key:     "test.variable",
+			Aliases: []string{"another_test.variable"},
+			Default: "take",
+		})
+
+		Configure(true)
+
+		require.Equal(t, "blip", TestVariable.Get())
+	})
+	t.Run("main and alias", func(t *testing.T) {
+		t.Setenv("DECKARD_TEST_VARIABLE", "takenet")
+		t.Setenv("DECKARD_ANOTHER_TEST_VARIABLE", "blip")
+
+		var TestVariable = Create(&ViperConfigKey{
+			Key:     "test.variable",
+			Aliases: []string{"another_test.variable"},
+			Default: "take",
+		})
+
+		Configure(true)
+
+		require.Equal(t, "takenet", TestVariable.Get())
+	})
+	t.Run("multiple aliases", func(t *testing.T) {
+		t.Setenv("DECKARD_ANOTHER_TEST_VARIABLE", "blip")
+		t.Setenv("DECKARD_THIS_TEST_VARIABLE", "takenet")
+
+		var TestVariable = Create(&ViperConfigKey{
+			Key:     "test.variable",
+			Aliases: []string{"another_test.variable", "this_test.variable"},
+			Default: "take",
+		})
+
+		Configure(true)
+
+		require.Equal(t, "blip", TestVariable.Get())
+	})
+}