diff --git a/sphinx_inlinecode/__init__.py b/sphinx_inlinecode/__init__.py
index 52db97d..8cbf409 100644
--- a/sphinx_inlinecode/__init__.py
+++ b/sphinx_inlinecode/__init__.py
@@ -143,7 +143,6 @@ def get_target(viewcode_link: Tag) -> str:
     return viewcode_link.get('href').removeprefix("_modules/").replace("html#", "").replace("/", ".")
 
 
-@functools.cache
 def get_code_block(qualname: str, obj: Any, highlighter: PythonLexer) -> BeautifulSoup:
     """Parses and highlights the source code lines of the provided object