diff --git a/clang/lib/Checker/Environment.cpp b/clang/lib/Checker/Environment.cpp
index addfc21..48152ce 100644
--- a/clang/lib/Checker/Environment.cpp
+++ b/clang/lib/Checker/Environment.cpp
@@ -125,7 +125,7 @@
 //   - Mark the region in DRoots if the binding is a loc::MemRegionVal.
 
 Environment
-EnvironmentManager::RemoveDeadBindings(Environment Env, const Stmt *S,
+EnvironmentManager::RemoveDeadBindings(Environment Env,
                                        SymbolReaper &SymReaper,
                                        const GRState *ST,
                               llvm::SmallVectorImpl<const MemRegion*> &DRoots) {
@@ -163,7 +163,7 @@
     if (!C.isBlkExpr(BlkExpr))
       continue;
 
-    if (SymReaper.isLive(S, BlkExpr)) {
+    if (SymReaper.isLive(BlkExpr)) {
       // Copy the binding to the new map.
       NewEnv.ExprBindings = F.Add(NewEnv.ExprBindings, BlkExpr, X);