diff --git a/reactos/base/shell/explorer/shell/shellfs.cpp b/reactos/base/shell/explorer/shell/shellfs.cpp
index 1243a0d0055..6c243e46467 100644
--- a/reactos/base/shell/explorer/shell/shellfs.cpp
+++ b/reactos/base/shell/explorer/shell/shellfs.cpp
@@ -313,8 +313,10 @@ void ShellDirectory::read_directory(int scan_flags)
 						if (GetFileInformationByHandle(hFile, &entry->_bhfi))
 							entry->_bhfi_valid = true;
 
+#ifdef BACKUP_READ_IMPLEMENTED
 						if (ScanNTFSStreams(entry, hFile))
 							entry->_scanned = true;	// There exist named NTFS sub-streams in this file.
+#endif
 
 						CloseHandle(hFile);
 					}
diff --git a/reactos/base/shell/explorer/shell/winfs.cpp b/reactos/base/shell/explorer/shell/winfs.cpp
index b3ed57676ff..6415d28150f 100644
--- a/reactos/base/shell/explorer/shell/winfs.cpp
+++ b/reactos/base/shell/explorer/shell/winfs.cpp
@@ -33,6 +33,7 @@
 //#include "winfs.h"
 
 
+#ifdef BACKUP_READ_IMPLEMENTED
 int ScanNTFSStreams(Entry* entry, HANDLE hFile)
 {
 	PVOID ctx = 0;
@@ -116,6 +117,7 @@ int ScanNTFSStreams(Entry* entry, HANDLE hFile)
 
 	return cnt;
 }
+#endif
 
 
 void WinDirectory::read_directory(int scan_flags)
@@ -167,8 +169,10 @@ void WinDirectory::read_directory(int scan_flags)
 					if (GetFileInformationByHandle(hFile, &entry->_bhfi))
 						entry->_bhfi_valid = true;
 
+#ifdef BACKUP_READ_IMPLEMENTED
 					if (ScanNTFSStreams(entry, hFile))
 						entry->_scanned = true;	// There exist named NTFS sub-streams in this file.
+#endif
 
 					CloseHandle(hFile);
 				}
diff --git a/reactos/base/shell/explorer/shell/winfs.h b/reactos/base/shell/explorer/shell/winfs.h
index b58803562ac..893b49b824c 100644
--- a/reactos/base/shell/explorer/shell/winfs.h
+++ b/reactos/base/shell/explorer/shell/winfs.h
@@ -25,6 +25,8 @@
  // Martin Fuchs, 23.07.2003
  //
 
+/* Enable this when the BackupRead API is implemented */
+// #define BACKUP_READ_IMPLEMENTED
 
  /// Windows file system file-entry
 struct WinEntry : public Entry
@@ -65,4 +67,6 @@ struct WinDirectory : public WinEntry, public Directory
 	virtual Entry* find_entry(const void*);
 };
 
+#ifdef BACKUP_READ_IMPLEMENTED
 extern int ScanNTFSStreams(Entry* entry, HANDLE hFile);
+#endif