diff --git a/tools/demobench/src/main/kotlin/net/corda/demobench/model/Explorer.kt b/tools/demobench/src/main/kotlin/net/corda/demobench/model/Explorer.kt
index 4ef9eb1753..7ead07dfbe 100644
--- a/tools/demobench/src/main/kotlin/net/corda/demobench/model/Explorer.kt
+++ b/tools/demobench/src/main/kotlin/net/corda/demobench/model/Explorer.kt
@@ -5,10 +5,9 @@ import java.util.concurrent.Executors
 import kotlin.reflect.jvm.jvmName
 
 
-class Explorer(explorerController: ExplorerController) : AutoCloseable {
+class Explorer(val explorerController: ExplorerController) : AutoCloseable {
     private val log = LoggerFactory.getLogger(Explorer::class.jvmName)
 
-    private val explorerController: ExplorerController = explorerController
     private val executor = Executors.newSingleThreadExecutor()
     private var process: Process? = null
 
diff --git a/tools/demobench/src/main/kotlin/net/corda/demobench/model/NetworkMapConfig.kt b/tools/demobench/src/main/kotlin/net/corda/demobench/model/NetworkMapConfig.kt
index 24543a9edc..f91e35177e 100644
--- a/tools/demobench/src/main/kotlin/net/corda/demobench/model/NetworkMapConfig.kt
+++ b/tools/demobench/src/main/kotlin/net/corda/demobench/model/NetworkMapConfig.kt
@@ -1,19 +1,11 @@
 package net.corda.demobench.model
 
-open class NetworkMapConfig(legalName: String, artemisPort: Int) {
+open class NetworkMapConfig(val legalName: String, val artemisPort: Int) {
 
-    private var keyValue: String = toKey(legalName)
+    private var keyValue = toKey(legalName)
     val key : String
         get() { return keyValue }
 
-    private var legalNameValue: String = legalName
-    val legalName : String
-        get() { return legalNameValue }
-
-    private var artemisPortValue: Int = artemisPort
-    val artemisPort : Int
-        get() { return artemisPortValue }
-
 }
 
 private val WHITESPACE = "\\s++".toRegex()
diff --git a/tools/demobench/src/main/kotlin/net/corda/demobench/model/NodeConfig.kt b/tools/demobench/src/main/kotlin/net/corda/demobench/model/NodeConfig.kt
index 5044db0d89..5ed71ce13b 100644
--- a/tools/demobench/src/main/kotlin/net/corda/demobench/model/NodeConfig.kt
+++ b/tools/demobench/src/main/kotlin/net/corda/demobench/model/NodeConfig.kt
@@ -9,28 +9,12 @@ import java.lang.String.join
 class NodeConfig(
         legalName: String,
         artemisPort: Int,
-        nearestCity: String,
-        webPort: Int,
-        h2Port: Int,
-        extraServices: List<String>
+        val nearestCity: String,
+        val webPort: Int,
+        val h2Port: Int,
+        val extraServices: List<String>
 ) : NetworkMapConfig(legalName, artemisPort) {
 
-    private var nearestCityName: String = nearestCity
-    val nearestCity : String
-        get() { return nearestCityName }
-
-    private var webPortValue: Int = webPort
-    val webPort : Int
-        get() { return webPortValue }
-
-    private var h2PortValue: Int = h2Port
-    val h2Port : Int
-       get() { return h2PortValue }
-
-    private var extraServicesValue: List<String> = extraServices
-    val extraServices : List<String>
-        get() { return extraServicesValue }
-
     private var networkMapValue: NetworkMapConfig? = null
     var networkMap : NetworkMapConfig?
         get() { return networkMapValue }