diff --git a/kotlinx-coroutines-core/jvm/test/jdk8/future/FutureTest.kt b/kotlinx-coroutines-core/jvm/test/jdk8/future/FutureTest.kt
index 0b9f83b0ad..17b76512d1 100644
--- a/kotlinx-coroutines-core/jvm/test/jdk8/future/FutureTest.kt
+++ b/kotlinx-coroutines-core/jvm/test/jdk8/future/FutureTest.kt
@@ -10,7 +10,7 @@ import java.util.concurrent.*
 import java.util.concurrent.atomic.*
 import java.util.concurrent.locks.*
 import java.util.function.*
-import kotlin.concurrent.*
+import kotlin.concurrent.withLock
 import kotlin.coroutines.*
 import kotlin.reflect.*
 import kotlin.test.*