diff --git a/src/script_opt/ProfileFunc.cc b/src/script_opt/ProfileFunc.cc
index e821674d73..8173aa9792 100644
--- a/src/script_opt/ProfileFunc.cc
+++ b/src/script_opt/ProfileFunc.cc
@@ -388,7 +388,10 @@ TraversalCode ProfileFunc::PreExpr(const Expr* e) {
                     auto sf = static_cast<ScriptFunc*>(func_vf);
                     script_calls.insert(sf);
                 }
-                else
+
+                // Track the BiF, though not if we know we're not going to
+                // compile the call to it.
+                else if ( obj_matches_opt_files(e) != AnalyzeDecision::SHOULD_NOT )
                     BiF_globals.insert(func);
             }
             else {
diff --git a/src/script_opt/ProfileFunc.h b/src/script_opt/ProfileFunc.h
index 72b8452e96..5f84d489a8 100644
--- a/src/script_opt/ProfileFunc.h
+++ b/src/script_opt/ProfileFunc.h
@@ -256,7 +256,8 @@ protected:
     std::unordered_set<ScriptFunc*> script_calls;
 
     // Same for BiF's, though for them we record the corresponding global
-    // rather than the BuiltinFunc*.
+    // rather than the BuiltinFunc*. In addition, we only track BiFs germane
+    // to code we're compiling.
     IDSet BiF_globals;
 
     // Script functions appearing in "when" clauses.