diff --git a/lib/Analysis/SparsePropagation.cpp b/lib/Analysis/SparsePropagation.cpp
index 6578cb4..a10e7cb 100644
--- a/lib/Analysis/SparsePropagation.cpp
+++ b/lib/Analysis/SparsePropagation.cpp
@@ -166,7 +166,7 @@
     return;
   }
   
-  if (IndBrInst *IBI = dyn_cast<IndBrInst>(TI)) {
+  if (isa<IndBrInst>(TI)) {
     Succs.assign(Succs.size(), true);
     return;
   }