diff --git a/lldb/docs/conf.py b/lldb/docs/conf.py
index 50f4ab84f1ca..79cc37c8c455 100644
--- a/lldb/docs/conf.py
+++ b/lldb/docs/conf.py
@@ -57,10 +57,8 @@ except ImportError:
         raise
 
 # Automatic anchors for markdown titles
-from llvm_slug import make_slug
-
 myst_heading_anchors = 6
-myst_heading_slug_func = make_slug
+myst_heading_slug_func = "llvm_slug.make_slug"
 
 autodoc_default_options = {"special-members": True}
 
diff --git a/llvm/docs/conf.py b/llvm/docs/conf.py
index 7f2ed5309606..a40da828ae2a 100644
--- a/llvm/docs/conf.py
+++ b/llvm/docs/conf.py
@@ -40,10 +40,8 @@ except ImportError:
         raise
 
 # Automatic anchors for markdown titles
-from llvm_slug import make_slug
-
 myst_heading_anchors = 6
-myst_heading_slug_func = make_slug
+myst_heading_slug_func = "llvm_slug.make_slug"
 
 
 # Add any paths that contain templates here, relative to this directory.