diff --git a/.clang-tidy b/.clang-tidy
index f3381a7b75..f80e93bce8 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -3,6 +3,7 @@ Checks: [-*,
          performance-avoid-endl,
          performance-enum-size,
          performance-faster-string-find,
+         performance-for-range-copy,
 
          # Skipping these temporarily because they are very noisy
          -bugprone-narrowing-conversions,
diff --git a/src/script_opt/ProfileFunc.cc b/src/script_opt/ProfileFunc.cc
index 64e85480d7..7a384a23e2 100644
--- a/src/script_opt/ProfileFunc.cc
+++ b/src/script_opt/ProfileFunc.cc
@@ -651,7 +651,7 @@ bool ProfileFuncs::HasSideEffects(SideEffectsOp::AccessType access, const TypePt
 
 bool ProfileFuncs::GetSideEffects(SideEffectsOp::AccessType access, const Type* t, IDSet& non_local_ids,
                                   TypeSet& aggrs) const {
-    for ( auto se : side_effects_ops )
+    for ( const auto& se : side_effects_ops )
         if ( AssessSideEffects(se.get(), access, t, non_local_ids, aggrs) )
             return true;
 
diff --git a/src/script_opt/Stmt.cc b/src/script_opt/Stmt.cc
index 977e998864..ef5935b044 100644
--- a/src/script_opt/Stmt.cc
+++ b/src/script_opt/Stmt.cc
@@ -926,7 +926,7 @@ static bool simplify_chain(const std::vector<StmtPtr>& stmts, unsigned int start
     // At this point, chain_stmts has only the remainders that weren't removed.
     for ( auto s : stmts )
         if ( chain_stmts.count(s.get()) > 0 )
-            f_stmts.push_back(s);
+            f_stmts.push_back(std::move(s));
 
     return true;
 }