diff --git a/core/src/main/java/org/elasticsearch/monitor/os/OsProbe.java b/core/src/main/java/org/elasticsearch/monitor/os/OsProbe.java
index 49c24fad9f4..e893c1a3ecb 100644
--- a/core/src/main/java/org/elasticsearch/monitor/os/OsProbe.java
+++ b/core/src/main/java/org/elasticsearch/monitor/os/OsProbe.java
@@ -32,7 +32,6 @@ import java.lang.management.OperatingSystemMXBean;
 import java.lang.reflect.Method;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;