diff --git a/passes/techmap/dffunmap.cc b/passes/techmap/dffunmap.cc
index 020597c4b..e72c250bb 100644
--- a/passes/techmap/dffunmap.cc
+++ b/passes/techmap/dffunmap.cc
@@ -78,7 +78,6 @@ struct DffunmapPass : public Pass {
 					continue;
 
 				FfData ff(&initvals, cell);
-				IdString name = cell->name;
 
 				if (!ff.has_clk)
 					continue;