diff --git a/archetypal/utils.py b/archetypal/utils.py
index e4213eb2..0b9d8c58 100644
--- a/archetypal/utils.py
+++ b/archetypal/utils.py
@@ -775,3 +775,10 @@ def signif(x, digits=4):
         return x
     digits -= math.ceil(math.log10(abs(x)))
     return round(x, digits)
+
+
+def clear_cache():
+    """Clear the cache."""
+    import shutil
+
+    shutil.rmtree(settings.cache_folder)