diff --git a/core/proto/android/server/windowmanagerservice.proto b/core/proto/android/server/windowmanagerservice.proto
index a62ddd084aab2..fa1e9d4afcdfe 100644
--- a/core/proto/android/server/windowmanagerservice.proto
+++ b/core/proto/android/server/windowmanagerservice.proto
@@ -351,7 +351,6 @@ message ActivityRecordProto {
     optional bool translucent = 30;
     optional bool pip_auto_enter_enabled = 31;
     optional bool in_size_compat_mode = 32;
-    optional float min_aspect_ratio = 33;
 }
 
 /* represents WindowToken */
diff --git a/services/core/java/com/android/server/wm/ActivityRecord.java b/services/core/java/com/android/server/wm/ActivityRecord.java
index c127210807400..308df2f4e9a00 100644
--- a/services/core/java/com/android/server/wm/ActivityRecord.java
+++ b/services/core/java/com/android/server/wm/ActivityRecord.java
@@ -140,7 +140,6 @@ import static com.android.server.wm.ActivityRecordProto.IS_ANIMATING;
 import static com.android.server.wm.ActivityRecordProto.IS_WAITING_FOR_TRANSITION_START;
 import static com.android.server.wm.ActivityRecordProto.LAST_ALL_DRAWN;
 import static com.android.server.wm.ActivityRecordProto.LAST_SURFACE_SHOWING;
-import static com.android.server.wm.ActivityRecordProto.MIN_ASPECT_RATIO;
 import static com.android.server.wm.ActivityRecordProto.NAME;
 import static com.android.server.wm.ActivityRecordProto.NUM_DRAWN_WINDOWS;
 import static com.android.server.wm.ActivityRecordProto.NUM_INTERESTING_WINDOWS;
@@ -8642,7 +8641,6 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
         }
         proto.write(PIP_AUTO_ENTER_ENABLED, pictureInPictureArgs.isAutoEnterEnabled());
         proto.write(IN_SIZE_COMPAT_MODE, inSizeCompatMode());
-        proto.write(MIN_ASPECT_RATIO, info.getMinAspectRatio());
     }
 
     @Override