diff --git a/services/core/java/com/android/server/DropBoxManagerService.java b/services/core/java/com/android/server/DropBoxManagerService.java
index 02c6ca20d34e4..27ee627d1b48f 100644
--- a/services/core/java/com/android/server/DropBoxManagerService.java
+++ b/services/core/java/com/android/server/DropBoxManagerService.java
@@ -91,7 +91,7 @@ public final class DropBoxManagerService extends SystemService {
     private static final int DEFAULT_MAX_FILES_LOWRAM = 300;
     private static final int DEFAULT_QUOTA_KB = 10 * 1024;
     private static final int DEFAULT_QUOTA_PERCENT = 10;
-    private static final int DEFAULT_RESERVE_PERCENT = 10;
+    private static final int DEFAULT_RESERVE_PERCENT = 0;
     private static final int QUOTA_RESCAN_MILLIS = 5000;
 
     private static final boolean PROFILE_DUMP = false;