diff --git a/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/ApplicationProperties.kt b/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/ApplicationProperties.kt
index 85ac987..5e794ad 100644
--- a/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/ApplicationProperties.kt
+++ b/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/ApplicationProperties.kt
@@ -31,67 +31,3 @@ data class ApplicationProperties(
         .loadConfigOrThrow()
   }
 }
-
-
-//import dev.adamko.kafkatorio.processor.config.PortVal.Companion.portVal
-//import java.nio.file.Path
-//import java.time.Clock
-//import java.util.Properties
-//import kotlin.io.path.Path
-//import org.http4k.cloudnative.env.Environment
-//import org.http4k.cloudnative.env.EnvironmentKey
-//import org.http4k.lens.nonEmptyString
-//
-///**
-// * Load properties, in descending priority order, from
-// *
-// * 1. Environment variables
-// * 2. This app's env file (as defined by the environment variable [Lenses.APPLICATION_PROPERTIES_FILE_PATH])
-// * # 3. A resources-dir yaml file
-// *
-// */
-//internal class ApplicationProperties(
-//  vararg environments: Environment = arrayOf(
-//    Environment.env(),
-//    Environment.fromEnvVarPath(),
-//    Environment.fromResourcesFile(".secret.config.yml")
-//  )
-//) {
-//
-//
-//  private val appProps: Environment =
-//    environments.reduce { acc, environment -> acc.overrides(environment) }
-//
-//
-//  fun clock(): Clock = Clock.systemUTC()
-//
-//
-//  /**
-//   * The port of the server
-//   *
-//   * Set by GCP ([docs](https://cloud.google.com/run/docs/reference/container-contract#env-vars)).
-//   */
-//  val serverPort: PortVal
-//    get() = EnvironmentKey.portVal().defaulted("PORT", PortVal.DEFAULT)[appProps]
-//
-//
-//  val kafkaConfig: Properties
-//    get() = EnvironmentKey
-//      .nonEmptyString()
-//      .map { srcString ->
-//        srcString.reader().use { stringReader ->
-//          Properties().also { properties ->
-//            properties.load(stringReader)
-//          }
-//        }
-//      }
-//      .required("kafka.config")[appProps]
-//
-//
-//  val webmapTileDir: Path
-//    get() = EnvironmentKey
-//      .nonEmptyString()
-//      .map(::Path)
-//      .required("tileServer.webmapTileDir")[appProps]
-//
-//}
diff --git a/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/Lenses.kt b/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/Lenses.kt
deleted file mode 100644
index 7faeb9c..0000000
--- a/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/Lenses.kt
+++ /dev/null
@@ -1,39 +0,0 @@
-package dev.adamko.kafkatorio.processor.config
-
-//import java.io.File
-//import org.http4k.cloudnative.env.Environment
-//import org.http4k.cloudnative.env.EnvironmentKey
-//import org.http4k.core.Credentials
-//import org.http4k.lens.BiDiLens
-//import org.http4k.lens.BiDiMapping
-//
-//
-//internal object Lenses {
-//
-//  /** The location of this app's env file. */
-//  val APPLICATION_PROPERTIES_FILE_PATH: BiDiLens<Environment, File?> =
-//    EnvironmentKey
-//      .map(
-//        { path: String -> File(path) },
-//        { file: File -> file.canonicalPath },
-//      )
-//      .optional("APPLICATION_PROPERTIES_FILE_PATH")
-//
-//
-//  /** Bidirectional [String] and [Credentials] mapper. */
-//  val credentialsLens: BiDiMapping<String, Credentials> = run {
-//    val separator = ":"
-//    BiDiMapping(
-//      // from String to Credentials
-//      { property ->
-//        property.split(separator, limit = 2)
-//          .takeIf { it.size == 2 }
-//          ?.let { (user, pass) -> Credentials(user, pass) }
-//          ?: throw IllegalArgumentException("Credentials are invalid")
-//      },
-//      // from Credentials to String
-//      { it.user + separator + it.password }
-//    )
-//  }
-//
-//}
diff --git a/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/PortVal.kt b/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/PortVal.kt
index de0f49a..1418447 100644
--- a/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/PortVal.kt
+++ b/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/PortVal.kt
@@ -1,13 +1,9 @@
 package dev.adamko.kafkatorio.processor.config
 
 import org.http4k.cloudnative.env.Port
-import org.http4k.lens.BiDiLensSpec
-import org.http4k.lens.StringBiDiMappings.int
-import org.http4k.lens.map
 
-/**
- * Improved (slightly) version of http4k's [Port].
- */
+
+/** Improved (slightly) version of http4k's [Port]. */
 @JvmInline
 value class PortVal(val value: Int) {
 
@@ -21,10 +17,6 @@ value class PortVal(val value: Int) {
 
   companion object {
     val DEFAULT = PortVal(8080)
-    val VALID_RANGE: IntRange
-      get() = (1..65535)
-
-    fun <IN : Any> BiDiLensSpec<IN, String>.portVal(): BiDiLensSpec<IN, PortVal> =
-      map(int().map(::PortVal, PortVal::value))
+    val VALID_RANGE: IntRange = 1..65535
   }
 }
diff --git a/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/environmentExt.kt b/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/environmentExt.kt
deleted file mode 100644
index 3ff3eee..0000000
--- a/modules/events-server/src/main/kotlin/dev/adamko/kafkatorio/processor/config/environmentExt.kt
+++ /dev/null
@@ -1,78 +0,0 @@
-package dev.adamko.kafkatorio.processor.config
-
-//import java.io.File
-//import java.io.FileNotFoundException
-//import org.http4k.cloudnative.env.Environment
-//import org.http4k.cloudnative.env.MapEnvironment
-//import org.http4k.cloudnative.env.fromYaml
-//import org.http4k.lens.Lens
-//
-//
-///**
-// * Load properties from either a `.yaml` or `.env` file.
-// *
-// * (An improved version of [Environment.fromResource])
-// */
-//fun Environment.Companion.fromResourcesFile(
-//  resource: String,
-//  default: Environment = EMPTY
-//): Environment {
-//  return try {
-//    val file =
-//      this::class.java
-//        .getResource("/${resource.removePrefix("/")}")
-//        ?.file
-//        ?.let { File(it) }
-//    fromFile(file, default)
-//  } catch (e: FileNotFoundException) {
-//    default
-//  }
-//}
-//
-//
-///**
-// * Try fetching a properties file the location provided by the
-// * [`JVM`][jvmProperties] or [`System`][env] environment variable
-// * [Lenses.APPLICATION_PROPERTIES_FILE_PATH], if it exists.
-// *
-// * If it does not exist, return [default].
-// */
-//fun Environment.Companion.fromEnvVarPath(
-//  location: Lens<Environment, File?> = Lenses.APPLICATION_PROPERTIES_FILE_PATH,
-//  default: Environment = EMPTY,
-//): Environment {
-//  val file = (jvmProperties() overrides env())[location]
-//
-//  return fromFile(file, default)
-//}
-//
-//
-///**
-// * Load properties from either a `.yaml` or `.env` file.
-// *
-// * (An improved version of [Environment.from])
-// */
-//internal fun Environment.Companion.fromFile(
-//  file: File?,
-//  default: Environment = EMPTY,
-//): Environment {
-//  return file
-//    ?.takeIf { it.isFile }
-//    .let {
-//      when (it?.extension) {
-//        "yml", "yaml" -> fromYaml(it)
-//        "env"         -> from(it)
-//        else          -> default
-//      }
-//    }
-//}
-//
-//
-///** The same as [Environment.ENV], but refreshes on each invocation (which is useful for testing). */
-//fun Environment.Companion.env(): Environment =
-//  MapEnvironment.from(System.getenv().toProperties())
-//
-//
-///** The same as [Environment.JVM_PROPERTIES], but refreshes on each invocation (which is useful for testing). */
-//internal fun Environment.Companion.jvmProperties(): Environment =
-//  MapEnvironment.from(System.getProperties())