diff --git a/js/src/jit/CodeGenerator.cpp b/js/src/jit/CodeGenerator.cpp
index b1e066b7611..6f6d5e6a313 100644
--- a/js/src/jit/CodeGenerator.cpp
+++ b/js/src/jit/CodeGenerator.cpp
@@ -6078,7 +6078,6 @@ CodeGenerator::link(JSContext *cx, types::CompilerConstraintList *constraints)
 
 #ifdef DEBUG
     for (size_t i = 0; i < ionScriptLabels_.length(); i++) {
-        ionScriptLabels_[i].fixup(&masm);
         Assembler::patchDataWithValueCheck(CodeLocationLabel(code, ionScriptLabels_[i]),
                                            ImmPtr(ionScript),
                                            ImmPtr((void*)-1));