diff --git a/libraries/stdlib/src/kotlin/concurrent/Thread.kt b/libraries/stdlib/src/kotlin/concurrent/Thread.kt
index 927dc3815a2..f3bbdc2689c 100644
--- a/libraries/stdlib/src/kotlin/concurrent/Thread.kt
+++ b/libraries/stdlib/src/kotlin/concurrent/Thread.kt
@@ -16,32 +16,37 @@ public val currentThread: Thread
  * Creates a thread that runs the specified [block] of code.
  *
  * @param start if `true`, the thread is immediately started.
- * @param daemon if `true`, the thread is created as a daemon thread. The Java Virtual Machine exits when
+ * @param isDaemon if `true`, the thread is created as a daemon thread. The Java Virtual Machine exits when
  * the only threads running are all daemon threads.
  * @param contextClassLoader the class loader to use for loading classes and resources in this thread.
  * @param name the name of the thread.
  * @param priority the priority of the thread.
  */
-public fun thread(start: Boolean = true, daemon: Boolean = false, contextClassLoader: ClassLoader? = null, name: String? = null, priority: Int = -1, block: () -> Unit): Thread {
+public fun thread(start: Boolean = true, isDaemon: Boolean = false, contextClassLoader: ClassLoader? = null, name: String? = null, priority: Int = -1, block: () -> Unit): Thread {
     val thread = object : Thread() {
         public override fun run() {
             block()
         }
     }
-    if (daemon)
-        thread.setDaemon(true)
+    if (isDaemon)
+        thread.isDaemon = true
     if (priority > 0)
-        thread.setPriority(priority)
+        thread.priority = priority
     if (name != null)
-        thread.setName(name)
+        thread.name = name
     if (contextClassLoader != null)
-        thread.setContextClassLoader(contextClassLoader)
+        thread.contextClassLoader = contextClassLoader
     if (start)
         thread.start()
     return thread
 }
 
-/**
+@Deprecated("Use thread function with the 'isDaemon' parameter")
+public fun thread(start: Boolean = true, contextClassLoader: ClassLoader? = null, name: String? = null, priority: Int = -1, daemon: Boolean, block: () -> Unit): Thread =
+    thread(start = start, isDaemon = daemon, contextClassLoader = contextClassLoader, name = name, priority = priority, block = block)
+
+
+    /**
  * Gets the value in the current thread's copy of this
  * thread-local variable or replaces the value with the result of calling
  * [default] function in case if that value was `null`.
@@ -53,6 +58,5 @@ public fun thread(start: Boolean = true, daemon: Boolean = false, contextClassLo
  * is stored for the current thread and then returned.
  */
 public inline fun <T: Any> ThreadLocal<T>.getOrSet(default: () -> T): T {
-    // TODO: replace let with apply or touch
-    return get() ?: default().let { set(it); it }
+    return get() ?: default().apply { set(this) }
 }