diff --git a/include/swift/SIL/SILInstruction.h b/include/swift/SIL/SILInstruction.h
index c4555c2dcbfd8..e165baac14bf2 100644
--- a/include/swift/SIL/SILInstruction.h
+++ b/include/swift/SIL/SILInstruction.h
@@ -7829,12 +7829,12 @@ bool ApplyInstBase<Impl, Base, false>::isCalleeDynamicallyReplaceable() const {
   SILValue Callee = getCalleeOrigin();
 
   while (true) {
-    if (auto *FRI = dyn_cast<FunctionRefInst>(Callee))
+    if (isa<FunctionRefInst>(Callee))
       return false;
 
-    if (auto *FRI = dyn_cast<DynamicFunctionRefInst>(Callee))
+    if (isa<DynamicFunctionRefInst>(Callee))
       return true;
-    if (auto *FRI = dyn_cast<PreviousDynamicFunctionRefInst>(Callee))
+    if (isa<PreviousDynamicFunctionRefInst>(Callee))
       return true;
 
     if (auto *PAI = dyn_cast<PartialApplyInst>(Callee)) {
diff --git a/lib/Sema/TypeCheckStmt.cpp b/lib/Sema/TypeCheckStmt.cpp
index 40797ca4821b6..00698bc19ab0e 100644
--- a/lib/Sema/TypeCheckStmt.cpp
+++ b/lib/Sema/TypeCheckStmt.cpp
@@ -807,7 +807,7 @@ class StmtChecker : public StmtVisitor<StmtChecker, Stmt*> {
       auto nextResultType =
           OptionalType::get(conformance->getTypeWitnessByName(
                                 sequenceType, TC.Context.Id_Element));
-      auto *genBinding = PatternBindingDecl::createImplicit(
+      PatternBindingDecl::createImplicit(
           TC.Context, StaticSpellingKind::None, genPat,
           new (TC.Context) OpaqueValueExpr(S->getInLoc(), nextResultType), DC,
           /*VarLoc*/ S->getForLoc());