diff --git a/ReactCommon/cxxreact/JSCExecutor.cpp b/ReactCommon/cxxreact/JSCExecutor.cpp
index 75e929fa9..91c7716cb 100644
--- a/ReactCommon/cxxreact/JSCExecutor.cpp
+++ b/ReactCommon/cxxreact/JSCExecutor.cpp
@@ -39,10 +39,6 @@
 #include "RecoverableError.h"
 #include "SystraceSection.h"
 
-#if defined(WITH_JSC_MEMORY_PRESSURE)
-#include <jsc_memory.h>
-#endif
-
 #if defined(WITH_FB_JSC_TUNING) && defined(__ANDROID__)
 #include <jsc_config_android.h>
 #endif
diff --git a/ReactCommon/jschelpers/JSCWrapper.h b/ReactCommon/jschelpers/JSCWrapper.h
index ff9d7890f..c722199c2 100644
--- a/ReactCommon/jschelpers/JSCWrapper.h
+++ b/ReactCommon/jschelpers/JSCWrapper.h
@@ -13,10 +13,6 @@
 #include <string>
 #include <JavaScriptCore/JavaScript.h>
 
-#if WITH_FBJSCEXTENSIONS
-#include <jsc_stringref.h>
-#endif
-
 #if defined(JSCINTERNAL) || (!defined(__APPLE__))
 #define JSC_IMPORT extern "C"
 #else