diff --git a/js/src/jit/StupidAllocator.cpp b/js/src/jit/StupidAllocator.cpp
index 8e3ea6286..55431e8e0 100644
--- a/js/src/jit/StupidAllocator.cpp
+++ b/js/src/jit/StupidAllocator.cpp
@@ -407,7 +407,6 @@ StupidAllocator::allocateForDefinition(LInstruction* ins, LDefinition* def)
 {
     uint32_t vreg = def->virtualRegister();
 
-    CodePosition from;
     if ((def->output()->isRegister() && def->policy() == LDefinition::FIXED) ||
         def->policy() == LDefinition::MUST_REUSE_INPUT)
     {
diff --git a/js/src/vm/ObjectGroup.cpp b/js/src/vm/ObjectGroup.cpp
index 1fbf8976b..46159a972 100644
--- a/js/src/vm/ObjectGroup.cpp
+++ b/js/src/vm/ObjectGroup.cpp
@@ -495,7 +495,6 @@ ObjectGroup::defaultNewGroup(ExclusiveContext* cx, const Class* clasp,
         if (associated->is<JSFunction>()) {
 
             // Canonicalize new functions to use the original one associated with its script.
-            JSFunction* fun = &associated->as<JSFunction>();
             associated = associated->as<JSFunction>().maybeCanonicalFunction();
 
             // If we have previously cleared the 'new' script information for this