diff --git a/android/guava/src/com/google/common/io/FileBackedOutputStream.java b/android/guava/src/com/google/common/io/FileBackedOutputStream.java
index dc89ba772835..d1b2a436013b 100644
--- a/android/guava/src/com/google/common/io/FileBackedOutputStream.java
+++ b/android/guava/src/com/google/common/io/FileBackedOutputStream.java
@@ -21,6 +21,7 @@
 import com.google.common.annotations.J2ktIncompatible;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.errorprone.annotations.concurrent.GuardedBy;
+import com.google.j2objc.annotations.J2ObjCIncompatible;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -54,6 +55,7 @@
 @Beta
 @J2ktIncompatible
 @GwtIncompatible
+@J2ObjCIncompatible
 @ElementTypesAreNonnullByDefault
 public final class FileBackedOutputStream extends OutputStream {
   private final int fileThreshold;
diff --git a/android/guava/src/com/google/common/io/Files.java b/android/guava/src/com/google/common/io/Files.java
index 6612648bcb35..498faf97ed41 100644
--- a/android/guava/src/com/google/common/io/Files.java
+++ b/android/guava/src/com/google/common/io/Files.java
@@ -34,6 +34,7 @@
 import com.google.common.hash.HashFunction;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
 import com.google.errorprone.annotations.InlineMe;
+import com.google.j2objc.annotations.J2ObjCIncompatible;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
@@ -426,6 +427,7 @@ public static boolean equal(File file1, File file2) throws IOException {
    */
   @Beta
   @Deprecated
+  @J2ObjCIncompatible
   public static File createTempDir() {
     File baseDir = new File(System.getProperty("java.io.tmpdir"));
     @SuppressWarnings("GoodTime") // reading system time without TimeSource
diff --git a/guava/src/com/google/common/io/FileBackedOutputStream.java b/guava/src/com/google/common/io/FileBackedOutputStream.java
index dc89ba772835..d1b2a436013b 100644
--- a/guava/src/com/google/common/io/FileBackedOutputStream.java
+++ b/guava/src/com/google/common/io/FileBackedOutputStream.java
@@ -21,6 +21,7 @@
 import com.google.common.annotations.J2ktIncompatible;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.errorprone.annotations.concurrent.GuardedBy;
+import com.google.j2objc.annotations.J2ObjCIncompatible;
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -54,6 +55,7 @@
 @Beta
 @J2ktIncompatible
 @GwtIncompatible
+@J2ObjCIncompatible
 @ElementTypesAreNonnullByDefault
 public final class FileBackedOutputStream extends OutputStream {
   private final int fileThreshold;
diff --git a/guava/src/com/google/common/io/Files.java b/guava/src/com/google/common/io/Files.java
index 6612648bcb35..498faf97ed41 100644
--- a/guava/src/com/google/common/io/Files.java
+++ b/guava/src/com/google/common/io/Files.java
@@ -34,6 +34,7 @@
 import com.google.common.hash.HashFunction;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
 import com.google.errorprone.annotations.InlineMe;
+import com.google.j2objc.annotations.J2ObjCIncompatible;
 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.File;
@@ -426,6 +427,7 @@ public static boolean equal(File file1, File file2) throws IOException {
    */
   @Beta
   @Deprecated
+  @J2ObjCIncompatible
   public static File createTempDir() {
     File baseDir = new File(System.getProperty("java.io.tmpdir"));
     @SuppressWarnings("GoodTime") // reading system time without TimeSource