diff --git a/cli/__main__.py b/cli/__main__.py
index 757f158..32b8d7f 100644
--- a/cli/__main__.py
+++ b/cli/__main__.py
@@ -429,19 +429,6 @@ def _generate_password(length: int = 10) -> str:
     "prefix",
     type=str,
 )
-@argument(
-    "topics_path",
-    type=PathType(
-        exists=True,
-        file_okay=True,
-        dir_okay=False,
-        writable=False,
-        readable=True,
-        resolve_path=True,
-        allow_dash=False,
-        path_type=Path,
-    ),
-)
 @argument(
     "pool_path",
     type=PathType(
@@ -462,7 +449,6 @@ def prepare_relevance_judgments(
     guidelines_path: Path | None,
     extra_supervisors: Sequence[str],
     prefix: str,
-    topics_path: Path,
     pool_path: Sequence[Path],
 ) -> None:
     """
@@ -475,6 +461,9 @@ def prepare_relevance_judgments(
         raise ValueError("Empty project prefix.")
     project_prefix = slugify(prefix)
 
+    if len(pool_path) == 0:
+        raise ValueError("Empty pool_path.")
+
     guidelines: str
     if guidelines_path is not None:
         with guidelines_path.open("rt") as file:
@@ -488,7 +477,6 @@ def prepare_relevance_judgments(
         password=doccano_password,
     )
     echo("Successfully authenticated with Doccano API.")
-
     pool = concat(
         read_json(
             open(path, "r"),
@@ -511,20 +499,8 @@ def prepare_relevance_judgments(
     )
     echo(f"Found {len(pool)} pooled documents.")
 
-    # Read the topics.
-    topics = read_xml(topics_path, dtype=str)
-    echo(f"Found {len(topics)} topics.")
-
-    # Merge in groups from the topics
-    pool = pool.merge(
-        topics[["number", "group"]],
-        how="left",
-        left_on="query_id",
-        right_on="number",
-    )
-
     groups: set[str] = set(pool["group"].drop_duplicates().to_list())
-    echo(f"Found {len(groups)} groups.")
+    echo(f"Found {len(groups)} groups:", groups)
 
     # Create mapping of groups to usernames and project names.
     group_user_names: Mapping[str, str] = {