diff --git a/llvm/include/llvm/Target/TargetSelectionDAG.td b/llvm/include/llvm/Target/TargetSelectionDAG.td
index ef88c9507c86d..5e57dcaa303f3 100644
--- a/llvm/include/llvm/Target/TargetSelectionDAG.td
+++ b/llvm/include/llvm/Target/TargetSelectionDAG.td
@@ -363,7 +363,6 @@ class SDNode<string opcode, SDTypeProfile typeprof,
 
 // Special TableGen-recognized dag nodes
 def set;
-def implicit;
 def node;
 def srcvalue;