diff --git a/hadoop-ozone/ozonefs-common/src/main/java/org/apache/hadoop/fs/ozone/BasicOzFs.java b/hadoop-ozone/ozonefs-common/src/main/java/org/apache/hadoop/fs/ozone/BasicOzFs.java
index acab6d168cc4..9f7551aa8f03 100644
--- a/hadoop-ozone/ozonefs-common/src/main/java/org/apache/hadoop/fs/ozone/BasicOzFs.java
+++ b/hadoop-ozone/ozonefs-common/src/main/java/org/apache/hadoop/fs/ozone/BasicOzFs.java
@@ -46,4 +46,13 @@ public BasicOzFs(URI theUri, Configuration conf)
   public int getUriDefaultPort() {
     return -1;
   }
+
+  /**
+   * Close the file system; the FileContext API doesn't have an explicit close.
+   */
+  @Override
+  protected void finalize() throws Throwable {
+    fsImpl.close();
+    super.finalize();
+  }
 }
diff --git a/hadoop-ozone/ozonefs-hadoop2/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java b/hadoop-ozone/ozonefs-hadoop2/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
index b5012f95c4ec..e1cb391da539 100644
--- a/hadoop-ozone/ozonefs-hadoop2/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
+++ b/hadoop-ozone/ozonefs-hadoop2/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
@@ -45,4 +45,13 @@ public OzFs(URI theUri, Configuration conf)
   public int getUriDefaultPort() {
     return -1;
   }
+
+  /**
+   * Close the file system; the FileContext API doesn't have an explicit close.
+   */
+  @Override
+  protected void finalize() throws Throwable {
+    fsImpl.close();
+    super.finalize();
+  }
 }
diff --git a/hadoop-ozone/ozonefs-hadoop2/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java b/hadoop-ozone/ozonefs-hadoop2/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
index 4cd04da9c867..0f421a855239 100644
--- a/hadoop-ozone/ozonefs-hadoop2/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
+++ b/hadoop-ozone/ozonefs-hadoop2/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
@@ -46,4 +46,13 @@ public RootedOzFs(URI theUri, Configuration conf)
   public int getUriDefaultPort() {
     return -1;
   }
+
+  /**
+   * Close the file system; the FileContext API doesn't have an explicit close.
+   */
+  @Override
+  protected void finalize() throws Throwable {
+    fsImpl.close();
+    super.finalize();
+  }
 }
diff --git a/hadoop-ozone/ozonefs-hadoop3/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java b/hadoop-ozone/ozonefs-hadoop3/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
index 914832e2cfab..b1e046547fa0 100644
--- a/hadoop-ozone/ozonefs-hadoop3/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
+++ b/hadoop-ozone/ozonefs-hadoop3/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
@@ -40,4 +40,13 @@ public OzFs(URI theUri, Configuration conf)
     super(theUri, new OzoneFileSystem(), conf,
         OzoneConsts.OZONE_URI_SCHEME, false);
   }
+
+  /**
+   * Close the file system; the FileContext API doesn't have an explicit close.
+   */
+  @Override
+  protected void finalize() throws Throwable {
+    fsImpl.close();
+    super.finalize();
+  }
 }
diff --git a/hadoop-ozone/ozonefs-hadoop3/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java b/hadoop-ozone/ozonefs-hadoop3/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
index 076287eaac14..81bbaacd7c87 100644
--- a/hadoop-ozone/ozonefs-hadoop3/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
+++ b/hadoop-ozone/ozonefs-hadoop3/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
@@ -41,4 +41,13 @@ public RootedOzFs(URI theUri, Configuration conf)
     super(theUri, new RootedOzoneFileSystem(), conf,
         OzoneConsts.OZONE_OFS_URI_SCHEME, false);
   }
+
+  /**
+   * Close the file system; the FileContext API doesn't have an explicit close.
+   */
+  @Override
+  protected void finalize() throws Throwable {
+    fsImpl.close();
+    super.finalize();
+  }
 }
diff --git a/hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java b/hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
index 346b994a3aec..548e11f5d484 100644
--- a/hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
+++ b/hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/OzFs.java
@@ -41,4 +41,13 @@ public OzFs(URI theUri, Configuration conf)
     super(theUri, new OzoneFileSystem(), conf,
         OzoneConsts.OZONE_URI_SCHEME, false);
   }
+
+  /**
+   * Close the file system; the FileContext API doesn't have an explicit close.
+   */
+  @Override
+  protected void finalize() throws Throwable {
+    fsImpl.close();
+    super.finalize();
+  }
 }
diff --git a/hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java b/hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
index 076287eaac14..81bbaacd7c87 100644
--- a/hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
+++ b/hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/RootedOzFs.java
@@ -41,4 +41,13 @@ public RootedOzFs(URI theUri, Configuration conf)
     super(theUri, new RootedOzoneFileSystem(), conf,
         OzoneConsts.OZONE_OFS_URI_SCHEME, false);
   }
+
+  /**
+   * Close the file system; the FileContext API doesn't have an explicit close.
+   */
+  @Override
+  protected void finalize() throws Throwable {
+    fsImpl.close();
+    super.finalize();
+  }
 }