diff --git a/td/telegram/files/FileManager.cpp b/td/telegram/files/FileManager.cpp
index 237d8f89..f8961805 100644
--- a/td/telegram/files/FileManager.cpp
+++ b/td/telegram/files/FileManager.cpp
@@ -3497,7 +3497,6 @@ void FileManager::memory_cleanup() {
 
             /* DESTROY MAIN FILE */
             empty_file_ids_.push_back(i);
-            file_id_info_.erase(file_id_info_.begin() + ((int32) i));
 
             /* DESTROY MAIN NODE */
             node.reset();
diff --git a/tdutils/td/utils/common.h b/tdutils/td/utils/common.h
index ade9785e..e7cce76d 100644
--- a/tdutils/td/utils/common.h
+++ b/tdutils/td/utils/common.h
@@ -48,6 +48,7 @@
 
 #include <string>
 #include <vector>
+#include <unordered_map>
 
 #define TD_DEBUG