diff --git a/js/src/ion/IonBuilder.cpp b/js/src/ion/IonBuilder.cpp
index ab879d07f1d..5c5ec509248 100644
--- a/js/src/ion/IonBuilder.cpp
+++ b/js/src/ion/IonBuilder.cpp
@@ -4787,9 +4787,6 @@ IonBuilder::jsop_call(uint32_t argc, bool constructing)
     if (!callInfo.init(current, argc))
         return false;
 
-    if (gotLambda && targets.length() > 0)
-        callInfo.setLambda(true);
-
     // Try inlining
     InliningStatus status = inlineCallsite(targets, originals, gotLambda, callInfo);
     if (status == InliningStatus_Inlined)
diff --git a/js/src/ion/IonBuilder.h b/js/src/ion/IonBuilder.h
index de80bda065f..209072b08ee 100644
--- a/js/src/ion/IonBuilder.h
+++ b/js/src/ion/IonBuilder.h
@@ -658,7 +658,6 @@ class CallInfo
     Vector<MDefinition *> args_;
 
     bool constructing_;
-    bool lambda_;
 
   public:
     CallInfo(JSContext *cx, bool constructing)
@@ -752,13 +751,6 @@ class CallInfo
         return constructing_;
     }
 
-    bool isLambda() const {
-        return lambda_;
-    }
-    void setLambda(bool lambda) {
-        lambda_ = lambda;
-    }
-
     void wrapArgs(MBasicBlock *current) {
         thisArg_ = wrap(current, thisArg_);
         for (uint32_t i = 0; i < argc(); i++)