diff --git a/docs/metadesk_reference.md b/docs/metadesk_reference.md
index d321ecc..03622c3 100644
--- a/docs/metadesk_reference.md
+++ b/docs/metadesk_reference.md
@@ -1166,14 +1166,6 @@ MD_MapOverwrite: {
     return: *MD_Node,
 };
 
-// TODO(allen): eliminate
-@send(Nodes)
-@func MD_PushSibling: {
-    first: **MD_Node,
-    last: **MD_Node,
-    new_sibling: *MD_Node,
-};
-
 @send(Nodes)
 @func MD_PushChild: {
     parent: *MD_Node,
diff --git a/source/md.h b/source/md.h
index 6231f72..fff5b51 100644
--- a/source/md.h
+++ b/source/md.h
@@ -744,9 +744,6 @@ MD_FUNCTION void     MD_PushTag(MD_Node *node, MD_Node *tag);
 MD_FUNCTION MD_Node *MD_MakeList(void);
 MD_FUNCTION MD_Node *MD_PushReference(MD_Node *list, MD_Node *target);
 
-// TODO(allen): eliminate
-MD_FUNCTION void     MD_PushSibling(MD_Node **first, MD_Node **last, MD_Node *new_sibling);
-
 //~ Introspection Helpers
 MD_FUNCTION MD_Node *  MD_NodeFromString(MD_Node *first, MD_Node *last, MD_String8 string);
 MD_FUNCTION MD_Node *  MD_NodeFromIndex(MD_Node *first, MD_Node *last, int n);
diff --git a/source/md_impl.c b/source/md_impl.c
index a170ed9..c96580f 100644
--- a/source/md_impl.c
+++ b/source/md_impl.c
@@ -2136,16 +2136,6 @@ MD_MakeNode(MD_NodeKind kind, MD_String8 string,
     return node;
 }
 
-// TODO(allen): eliminate
-MD_FUNCTION_IMPL void
-MD_PushSibling(MD_Node **firstp, MD_Node **lastp, MD_Node *node)
-{
-    if(!MD_NodeIsNil(node))
-    {
-        MD_NodeDblPushBack(*firstp, *lastp, node);
-    }
-}
-
 MD_FUNCTION_IMPL void
 MD_PushChild(MD_Node *parent, MD_Node *new_child)
 {