diff --git a/src/app.js b/src/app.js
index 95d852f445..bda979fc4d 100644
--- a/src/app.js
+++ b/src/app.js
@@ -236,7 +236,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   const compilersArtefacts = new CompilersArtefacts() // store all the compilation results (key represent a compiler name)
   registry.put({api: compilersArtefacts, name: 'compilersartefacts'})
 
-  const {eventsDecoder, txlistener} = makeUdapp(blockchain, udapp, compilersArtefacts, (domEl) => mainview.getTerminal().logHtml(domEl))
+  const {eventsDecoder, txlistener} = makeUdapp(blockchain, compilersArtefacts, (domEl) => mainview.getTerminal().logHtml(domEl))
   // ----------------- network service (resolve network id / name) ----------------------------
   const networkModule = new NetworkModule(executionContext)
   // ----------------- convert offset to line/column service ----------------------------
diff --git a/src/app/udapp/run-tab.js b/src/app/udapp/run-tab.js
index 4a32f2d034..f07d0d8c83 100644
--- a/src/app/udapp/run-tab.js
+++ b/src/app/udapp/run-tab.js
@@ -121,7 +121,7 @@ export class RunTab extends LibraryPlugin {
     this.instanceContainer.appendChild(this.noInstancesText)
   }
 
-  renderSettings (udapp) {
+  renderSettings () {
     this.settingsUI = new SettingsUI(this.blockchain, this.networkModule)
 
     this.settingsUI.event.register('clearInstance', () => {
@@ -129,7 +129,7 @@ export class RunTab extends LibraryPlugin {
     })
   }
 
-  renderDropdown (udappUI, fileManager, compilersArtefacts, config, editor, udapp, filePanel, logCallback) {
+  renderDropdown (udappUI, fileManager, compilersArtefacts, config, editor, logCallback) {
     const dropdownLogic = new DropdownLogic(compilersArtefacts, config, editor, this)
     this.contractDropdownUI = new ContractDropdownUI(this.blockchain, dropdownLogic, logCallback, this)
 
@@ -147,7 +147,7 @@ export class RunTab extends LibraryPlugin {
     })
   }
 
-  renderRecorder (udapp, udappUI, fileManager, config, logCallback) {
+  renderRecorder (udappUI, fileManager, config, logCallback) {
     this.recorderCount = yo`<span>0</span>`
 
     const recorder = new Recorder(this.blockchain, fileManager, config)
@@ -206,9 +206,9 @@ export class RunTab extends LibraryPlugin {
     this.executionContext.listenOnLastBlock()
     this.udapp.resetEnvironment()
     this.renderInstanceContainer()
-    this.renderSettings(this.udapp)
-    this.renderDropdown(this.udappUI, this.fileManager, this.compilersArtefacts, this.config, this.editor, this.udapp, this.filePanel, this.logCallback)
-    this.renderRecorder(this.udapp, this.udappUI, this.fileManager, this.config, this.logCallback)
+    this.renderSettings()
+    this.renderDropdown(this.udappUI, this.fileManager, this.compilersArtefacts, this.config, this.editor, this.logCallback)
+    this.renderRecorder(this.udappUI, this.fileManager, this.config, this.logCallback)
     this.renderRecorderCard()
     return this.renderContainer()
   }