diff --git a/src/Netscript/killWorkerScript.ts b/src/Netscript/killWorkerScript.ts
index ed2198de3..2ad5f00bc 100644
--- a/src/Netscript/killWorkerScript.ts
+++ b/src/Netscript/killWorkerScript.ts
@@ -15,52 +15,43 @@ import { dialogBoxCreate } from "../ui/React/DialogBox";
 import { AddRecentScript } from "./RecentScripts";
 import { Player } from "../Player";
 
-export function killWorkerScript(runningScriptObj: RunningScript, hostname: string, rerenderUi?: boolean): boolean;
-export function killWorkerScript(workerScript: WorkerScript): boolean;
-export function killWorkerScript(pid: number): boolean;
-export function killWorkerScript(
-  script: RunningScript | WorkerScript | number,
-  hostname?: string,
-  rerenderUi?: boolean,
-): boolean {
-  if (rerenderUi == null || typeof rerenderUi !== "boolean") {
-    rerenderUi = true;
-  }
+export type killScriptParams = WorkerScript | number | { runningScript: RunningScript; hostname: string };
 
-  if (script instanceof WorkerScript) {
-    stopAndCleanUpWorkerScript(script);
+export function killWorkerScript(params: killScriptParams): boolean {
+  if (params instanceof WorkerScript) {
+    stopAndCleanUpWorkerScript(params);
 
     return true;
-  } else if (script instanceof RunningScript && typeof hostname === "string") {
+  } else if (typeof params === "number") {
+    return killWorkerScriptByPid(params);
+  } else {
     // Try to kill by PID
-    const res = killWorkerScriptByPid(script.pid, rerenderUi);
+    const res = killWorkerScriptByPid(params.runningScript.pid);
     if (res) {
       return res;
     }
 
     // If for some reason that doesn't work, we'll try the old way
     for (const ws of workerScripts.values()) {
-      if (ws.name == script.filename && ws.hostname == hostname && compareArrays(ws.args, script.args)) {
-        stopAndCleanUpWorkerScript(ws, rerenderUi);
+      if (
+        ws.name == params.runningScript.filename &&
+        ws.hostname == params.hostname &&
+        compareArrays(ws.args, params.runningScript.args)
+      ) {
+        stopAndCleanUpWorkerScript(ws);
 
         return true;
       }
     }
 
-    return false;
-  } else if (typeof script === "number") {
-    return killWorkerScriptByPid(script, rerenderUi);
-  } else {
-    console.error(`killWorkerScript() called with invalid argument:`);
-    console.error(script);
     return false;
   }
 }
 
-function killWorkerScriptByPid(pid: number, rerenderUi = true): boolean {
+function killWorkerScriptByPid(pid: number): boolean {
   const ws = workerScripts.get(pid);
   if (ws instanceof WorkerScript) {
-    stopAndCleanUpWorkerScript(ws, rerenderUi);
+    stopAndCleanUpWorkerScript(ws);
 
     return true;
   }
@@ -68,7 +59,7 @@ function killWorkerScriptByPid(pid: number, rerenderUi = true): boolean {
   return false;
 }
 
-function stopAndCleanUpWorkerScript(workerScript: WorkerScript, rerenderUi = true): void {
+function stopAndCleanUpWorkerScript(workerScript: WorkerScript): void {
   if (typeof workerScript.atExit === "function") {
     try {
       workerScript.atExit();
@@ -83,7 +74,7 @@ function stopAndCleanUpWorkerScript(workerScript: WorkerScript, rerenderUi = tru
   }
   workerScript.env.stopFlag = true;
   killNetscriptDelay(workerScript);
-  removeWorkerScript(workerScript, rerenderUi);
+  removeWorkerScript(workerScript);
 }
 
 /**
@@ -93,7 +84,7 @@ function stopAndCleanUpWorkerScript(workerScript: WorkerScript, rerenderUi = tru
  * @param {WorkerScript} - Identifier for WorkerScript. Either the object itself, or
  *                                  its index in the global workerScripts array
  */
-function removeWorkerScript(workerScript: WorkerScript, rerenderUi = true): void {
+function removeWorkerScript(workerScript: WorkerScript): void {
   const ip = workerScript.hostname;
   const name = workerScript.name;
 
@@ -127,9 +118,7 @@ function removeWorkerScript(workerScript: WorkerScript, rerenderUi = true): void
   // }
   AddRecentScript(workerScript);
 
-  if (rerenderUi) {
-    WorkerScriptStartStopEventEmitter.emit();
-  }
+  WorkerScriptStartStopEventEmitter.emit();
 }
 
 /**
diff --git a/src/NetscriptFunctions.ts b/src/NetscriptFunctions.ts
index 711d48714..8f84c0383 100644
--- a/src/NetscriptFunctions.ts
+++ b/src/NetscriptFunctions.ts
@@ -1315,7 +1315,7 @@ export function NetscriptFunctions(workerScript: WorkerScript): NS {
             return false;
           }
 
-          res = killWorkerScript(runningScriptObj, server.hostname);
+          res = killWorkerScript({ runningScript: runningScriptObj, hostname: server.hostname });
         }
 
         if (res) {
@@ -1348,7 +1348,7 @@ export function NetscriptFunctions(workerScript: WorkerScript): NS {
 
         for (let i = server.runningScripts.length - 1; i >= 0; --i) {
           if (safetyguard === true && server.runningScripts[i].pid == workerScript.pid) continue;
-          killWorkerScript(server.runningScripts[i], server.hostname, false);
+          killWorkerScript({ runningScript: server.runningScripts[i], hostname: server.hostname });
           ++scriptsKilled;
         }
         WorkerScriptStartStopEventEmitter.emit();
@@ -2241,7 +2241,7 @@ export function NetscriptFunctions(workerScript: WorkerScript): NS {
         let suc = false;
         for (let i = 0; i < server.runningScripts.length; i++) {
           if (server.runningScripts[i].filename == scriptname) {
-            killWorkerScript(server.runningScripts[i], server.hostname);
+            killWorkerScript({ runningScript: server.runningScripts[i], hostname: server.hostname });
             suc = true;
             i--;
           }
diff --git a/src/Terminal/commands/kill.ts b/src/Terminal/commands/kill.ts
index be18d733a..652043496 100644
--- a/src/Terminal/commands/kill.ts
+++ b/src/Terminal/commands/kill.ts
@@ -39,7 +39,7 @@ export function kill(
       terminal.error("No such script is running. Nothing to kill");
       return;
     }
-    killWorkerScript(runningScript, server.hostname, false);
+    killWorkerScript({ runningScript: runningScript, hostname: server.hostname });
     terminal.print(`Killing ${scriptName}`);
   } catch (e) {
     terminal.error(e + "");
diff --git a/src/Terminal/commands/killall.ts b/src/Terminal/commands/killall.ts
index ae8ae9b7f..6c670fe07 100644
--- a/src/Terminal/commands/killall.ts
+++ b/src/Terminal/commands/killall.ts
@@ -7,7 +7,7 @@ import { WorkerScriptStartStopEventEmitter } from "../../Netscript/WorkerScriptS
 
 export function killall(terminal: ITerminal, router: IRouter, player: IPlayer, server: BaseServer): void {
   for (let i = server.runningScripts.length - 1; i >= 0; --i) {
-    killWorkerScript(server.runningScripts[i], server.hostname, false);
+    killWorkerScript({ runningScript: server.runningScripts[i], hostname: server.hostname });
   }
   WorkerScriptStartStopEventEmitter.emit();
   terminal.print("Killing all running scripts");
diff --git a/src/ui/ActiveScripts/WorkerScriptAccordion.tsx b/src/ui/ActiveScripts/WorkerScriptAccordion.tsx
index 71e2ff1dd..24c6a7575 100644
--- a/src/ui/ActiveScripts/WorkerScriptAccordion.tsx
+++ b/src/ui/ActiveScripts/WorkerScriptAccordion.tsx
@@ -53,7 +53,7 @@ export function WorkerScriptAccordion(props: IProps): React.ReactElement {
   function logClickHandler(): void {
     LogBoxEvents.emit(scriptRef);
   }
-  const killScript = killWorkerScript.bind(null, scriptRef as any, scriptRef.server);
+  const killScript = killWorkerScript.bind(null, { runningScript: scriptRef, hostname: scriptRef.server });
 
   function killScriptClickHandler(): void {
     killScript();
diff --git a/src/ui/React/LogBoxManager.tsx b/src/ui/React/LogBoxManager.tsx
index c28548751..d558ce83f 100644
--- a/src/ui/React/LogBoxManager.tsx
+++ b/src/ui/React/LogBoxManager.tsx
@@ -151,7 +151,7 @@ function LogWindow(props: IProps): React.ReactElement {
   }, []);
 
   function kill(): void {
-    killWorkerScript(script, script.server, true);
+    killWorkerScript({ runningScript: script, hostname: script.server });
   }
 
   function run(): void {