diff --git a/src/metaglot/__init__.py b/src/metaglot/__init__.py
index e5c7672..667064d 100644
--- a/src/metaglot/__init__.py
+++ b/src/metaglot/__init__.py
@@ -1,7 +1,7 @@
 import logging
 import sys
 
-from . import pot, render
+from . import pofile, render
 from .cli import create_argparser
 
 
@@ -13,7 +13,7 @@ def main() -> None:
     try:
         if args.command == "rc":
             if args.rc_command == "pot":
-                pot.generate(args.manifest, args.output)
+                pofile.generate(args.manifest, args.output)
             elif args.rc_command == "render":
                 render.render(args.manifest, args.po, args.template, args.output)
     except (ValueError, RuntimeError) as exc:
diff --git a/src/metaglot/catalog.py b/src/metaglot/catalog.py
deleted file mode 100644
index 0066bc9..0000000
--- a/src/metaglot/catalog.py
+++ /dev/null
@@ -1,34 +0,0 @@
-import glob
-from pathlib import Path
-
-import polib
-
-
-def collect_po_files(patterns: list[Path]) -> list[Path]:
-    files: list[Path] = []
-    seen: set[Path] = set()
-    for pattern in patterns:
-        matched = sorted(glob.glob(str(pattern)))
-        if not matched:
-            raise ValueError(f"the pattern '{pattern}' matched no PO file")
-        for name in matched:
-            file = Path(name)
-            resolved = file.resolve()
-            if resolved not in seen:
-                seen.add(resolved)
-                files.append(file)
-    return files
-
-
-def load_po(path: Path) -> tuple[str, dict[str, str]]:
-    try:
-        po = polib.pofile(str(path))
-    except (OSError, IOError) as exc:
-        raise RuntimeError(f"failed to read PO file '{path}': {exc}") from exc
-    locale = po.metadata.get("Language") or path.stem
-    translations = {
-        entry.msgid: entry.msgstr
-        for entry in po
-        if entry.msgstr and "fuzzy" not in entry.flags
-    }
-    return locale, translations
diff --git a/src/metaglot/pot.py b/src/metaglot/pofile.py
similarity index 51%
rename from src/metaglot/pot.py
rename to src/metaglot/pofile.py
index 9ae8778..0fee7ee 100644
--- a/src/metaglot/pot.py
+++ b/src/metaglot/pofile.py
@@ -1,3 +1,4 @@
+import glob
 import logging
 from pathlib import Path
 
@@ -16,6 +17,36 @@ _POT_HEADER = {
 }
 
 
+def collect_po_files(patterns: list[Path]) -> list[Path]:
+    files: list[Path] = []
+    seen: set[Path] = set()
+    for pattern in patterns:
+        matched = sorted(glob.glob(str(pattern)))
+        if not matched:
+            raise ValueError(f"the pattern '{pattern}' matched no PO file")
+        for name in matched:
+            file = Path(name)
+            resolved = file.resolve()
+            if resolved not in seen:
+                seen.add(resolved)
+                files.append(file)
+    return files
+
+
+def load_po(path: Path) -> tuple[str, dict[str, str]]:
+    try:
+        po = polib.pofile(str(path))
+    except (OSError, IOError) as exc:
+        raise RuntimeError(f"failed to read PO file '{path}': {exc}") from exc
+    locale = po.metadata.get("Language") or path.stem
+    translations = {
+        entry.msgid: entry.msgstr
+        for entry in po
+        if entry.msgstr and "fuzzy" not in entry.flags
+    }
+    return locale, translations
+
+
 def generate(manifest_path: Path, output_path: Path) -> None:
     manifest: Manifest = load_manifest(manifest_path)
     po = polib.POFile()
diff --git a/src/metaglot/render.py b/src/metaglot/render.py
index d469b81..fe09060 100644
--- a/src/metaglot/render.py
+++ b/src/metaglot/render.py
@@ -5,8 +5,8 @@ from liquid import Environment, StrictUndefined
 from liquid.exceptions import LiquidError
 
 from . import winlang
-from .catalog import collect_po_files, load_po
 from .manifest import Manifest, load_manifest
+from .pofile import collect_po_files, load_po
 
 
 def _rc_escape(value: str) -> str: