diff --git a/aider/main.py b/aider/main.py
index 316cfebad..9913c171f 100644
--- a/aider/main.py
+++ b/aider/main.py
@@ -144,13 +144,6 @@ def main(args=None, input=None, output=None):
         dest="dirty_commits",
         help="Disable dirty commit of changes",
     )
-    parser.add_argument(
-        "--completions-height",
-        type=int,
-        default=10,
-        metavar="COMPLETIONS_HEIGHT",
-        help="Set the height of the completions displayed in the terminal (default: 10)",
-    )
     parser.add_argument(
         "--openai-api-key",
         metavar="OPENAI_API_KEY",