diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index a888c93cf..2c6072a66 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -1660,14 +1660,11 @@ class Coder:
         except OSError:
             return
 
-    def get_all_relative_files(self, include_nonrepo=False):
-        if not self.repo or include_nonrepo:
-            files = []
-            for root, _, fnames in os.walk(self.root):
-                for fname in fnames:
-                    files.append(os.path.relpath(os.path.join(root, fname), self.root))
-        else:
+    def get_all_relative_files(self):
+        if self.repo:
             files = self.repo.get_tracked_files()
+        else:
+            files = self.get_inchat_relative_files()
 
         # This is quite slow in large repos
         # files = [fname for fname in files if self.is_file_safe(fname)]
diff --git a/aider/commands.py b/aider/commands.py
index 2398656fd..c2dbec477 100644
--- a/aider/commands.py
+++ b/aider/commands.py
@@ -570,10 +570,7 @@ class Commands:
         return fname
 
     def completions_read_only(self):
-        files = set(self.coder.get_all_relative_files(include_nonrepo=True))
-        files = files - set(self.coder.get_inchat_relative_files())
-        files = [self.quote_fname(fn) for fn in files]
-        return files
+        return self.completions_add()
 
     def completions_add(self):
         files = set(self.coder.get_all_relative_files())