diff --git a/services/core/java/com/android/server/pm/PackageInstallerSession.java b/services/core/java/com/android/server/pm/PackageInstallerSession.java
index ff96c9173d594..c56f744722565 100644
--- a/services/core/java/com/android/server/pm/PackageInstallerSession.java
+++ b/services/core/java/com/android/server/pm/PackageInstallerSession.java
@@ -3141,6 +3141,8 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
             }
 
             synchronized (mLock) {
+                assertCallerIsOwnerOrRootLocked();
+                assertPreparedAndNotSealedLocked("removeChildSessionId");
                 final int indexOfSession = mChildSessionIds.indexOfKey(sessionId);
                 if (session != null) {
                     session.setParentSessionId(SessionInfo.INVALID_ID);