diff --git a/fdbclient/BackupAgent.actor.h b/fdbclient/BackupAgent.actor.h
index ed8279a492..642a2e5b8d 100644
--- a/fdbclient/BackupAgent.actor.h
+++ b/fdbclient/BackupAgent.actor.h
@@ -883,8 +883,7 @@ public:
 		}
 		TraceEvent t(SevWarn, "FileBackupError");
 		t.error(e).detail("BackupUID", uid).detail("Description", details).detail("TaskInstance", (uint64_t)taskInstance);
-		// These should not happen
-		ASSERT(e.code() != error_code_key_not_found);
+		// key_not_found could happen
 		if(e.code() == error_code_key_not_found)
 			t.backtrace();
 
diff --git a/fdbclient/FileBackupAgent.actor.cpp b/fdbclient/FileBackupAgent.actor.cpp
index c4f4d54313..1b615e2d92 100644
--- a/fdbclient/FileBackupAgent.actor.cpp
+++ b/fdbclient/FileBackupAgent.actor.cpp
@@ -235,8 +235,7 @@ public:
 		}
 		TraceEvent t(SevWarn, "FileRestoreError");
 		t.error(e).detail("RestoreUID", uid).detail("Description", details).detail("TaskInstance", (uint64_t)taskInstance);
-		// These should not happen
-		ASSERT(e.code() != error_code_key_not_found);
+		// key_not_found could happen
 		if(e.code() == error_code_key_not_found)
 			t.backtrace();
 
diff --git a/fdbserver/RestoreCommon.actor.cpp b/fdbserver/RestoreCommon.actor.cpp
index e8bb995964..0f23ea20c4 100644
--- a/fdbserver/RestoreCommon.actor.cpp
+++ b/fdbserver/RestoreCommon.actor.cpp
@@ -122,8 +122,7 @@ Future<Void> RestoreConfigFR::logError(Database cx, Error e, std::string const&
 	}
 	TraceEvent t(SevWarn, "FileRestoreError");
 	t.error(e).detail("RestoreUID", uid).detail("Description", details).detail("TaskInstance", (uint64_t)taskInstance);
-	// These should not happen
-	ASSERT(e.code() != error_code_key_not_found);
+	// key_not_found could happen
 	if (e.code() == error_code_key_not_found) t.backtrace();
 
 	return updateErrorInfo(cx, e, details);