diff --git a/cmd/substation/test.go b/cmd/substation/test.go
index 59a9b66e..cdded117 100644
--- a/cmd/substation/test.go
+++ b/cmd/substation/test.go
@@ -61,104 +61,6 @@ func memConfig(m string) (customConfig, error) {
 	return cfg, nil
 }
 
-func test(ctx context.Context, file string, cfg customConfig) error {
-	start := time.Now()
-
-	// These configurations are not valid.
-	if len(cfg.Transforms) == 0 {
-		return nil
-	}
-
-	if len(cfg.Tests) == 0 {
-		fmt.Printf("?\t%s\t[no tests]\n", file)
-
-		return nil
-	}
-
-	var failedFile bool // Tracks if any test in a file failed.
-	for _, test := range cfg.Tests {
-		// cnd asserts that the test is successful.
-		cnd, err := condition.New(ctx, test.Condition)
-		if err != nil {
-			fmt.Printf("FAIL\t%s\t[test error]\n", file)
-
-			//nolint:nilerr  // errors should not disrupt the test.
-			return nil
-		}
-
-		// setup creates the test messages that are tested.
-		setup, err := substation.New(ctx, substation.Config{
-			Transforms: test.Transforms,
-		})
-		if err != nil {
-			fmt.Printf("?\t%s\t[test error]\n", file)
-
-			//nolint:nilerr  // errors should not disrupt the test.
-			return nil
-		}
-
-		// tester contains the config that will be tested.
-		// This has to be done for each test to ensure
-		// that there is no state shared between tests.
-		tester, err := substation.New(ctx, cfg.Config)
-		if err != nil {
-			fmt.Printf("?\t%s\t[config error]\n", file)
-
-			//nolint:nilerr  // errors should not disrupt the test.
-			return nil
-		}
-
-		sMsgs, err := setup.Transform(ctx, message.New().AsControl())
-		if err != nil {
-			fmt.Printf("?\t%s\t[test error]\n", file)
-
-			//nolint:nilerr  // errors should not disrupt the test.
-			return nil
-		}
-
-		tMsgs, err := tester.Transform(ctx, sMsgs...)
-		if err != nil {
-			fmt.Printf("?\t%s\t[config error]\n", file)
-
-			//nolint:nilerr  // errors should not disrupt the test.
-			return nil
-		}
-
-		for _, msg := range tMsgs {
-			// Skip control messages because they contain no data.
-			if msg.IsControl() {
-				continue
-			}
-
-			ok, err := cnd.Condition(ctx, msg)
-			if err != nil {
-				fmt.Printf("?\t%s\t[test error]\n", file)
-
-				//nolint:nilerr  // errors should not disrupt the test.
-				return nil
-			}
-
-			if !ok {
-				fmt.Printf("%s\n%s\n%s\n",
-					fmt.Sprintf("--- FAIL: %s", test.Name),
-					fmt.Sprintf("    message:\t%s", msg),
-					fmt.Sprintf("    condition:\t%s", cnd),
-				)
-
-				failedFile = true
-			}
-		}
-	}
-
-	if failedFile {
-		fmt.Printf("FAIL\t%s\t%s\t\n", file, time.Since(start).Round(time.Microsecond))
-	} else {
-		fmt.Printf("ok\t%s\t%s\t\n", file, time.Since(start).Round(time.Microsecond))
-	}
-
-	return nil
-}
-
 var testCmd = &cobra.Command{
 	Use:   "test [path to configs]",
 	Short: "test configs",