diff --git a/React/CxxBridge/RCTCxxBridge.mm b/React/CxxBridge/RCTCxxBridge.mm
index 9bc259d5c..7ff36e89c 100644
--- a/React/CxxBridge/RCTCxxBridge.mm
+++ b/React/CxxBridge/RCTCxxBridge.mm
@@ -29,6 +29,7 @@
 #import <React/RCTProfile.h>
 #import <React/RCTRedBox.h>
 #import <React/RCTUtils.h>
+#import <React/RCTFollyConvert.h>
 #import <cxxreact/CxxNativeModule.h>
 #import <cxxreact/Instance.h>
 #import <cxxreact/JSBundleType.h>
@@ -1005,7 +1006,7 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithBundleURL:(__unused NSURL *)bundleUR
 
     if (self->_reactInstance) {
       self->_reactInstance->callJSFunction([module UTF8String], [method UTF8String],
-                                           [RCTConvert folly_dynamic:args ?: @[]]);
+                                           convertIdToFollyDynamic(args ?: @[]));
 
       // ensureOnJavaScriptThread may execute immediately, so use jsMessageThread, to make sure
       // the block is invoked after callJSFunction
@@ -1041,7 +1042,7 @@ RCT_NOT_IMPLEMENTED(- (instancetype)initWithBundleURL:(__unused NSURL *)bundleUR
     RCTProfileEndFlowEvent();
 
     if (self->_reactInstance) {
-      self->_reactInstance->callJSCallback([cbID unsignedLongLongValue], [RCTConvert folly_dynamic:args ?: @[]]);
+      self->_reactInstance->callJSCallback([cbID unsignedLongLongValue], convertIdToFollyDynamic(args ?: @[]));
     }
   }];
 }
diff --git a/React/CxxBridge/RCTObjcExecutor.mm b/React/CxxBridge/RCTObjcExecutor.mm
index 0bf158751..ec474292b 100644
--- a/React/CxxBridge/RCTObjcExecutor.mm
+++ b/React/CxxBridge/RCTObjcExecutor.mm
@@ -50,7 +50,7 @@ public:
       }
 
       m_jsThread->runOnQueue([this, json]{
-        m_delegate->callNativeModules(*this, [RCTConvert folly_dynamic:json], true);
+        m_delegate->callNativeModules(*this, convertIdToFollyDynamic(json), true);
       });
     };
 
diff --git a/React/CxxModule/RCTCxxMethod.mm b/React/CxxModule/RCTCxxMethod.mm
index de8375e6e..65a5433a4 100644
--- a/React/CxxModule/RCTCxxMethod.mm
+++ b/React/CxxModule/RCTCxxMethod.mm
@@ -90,7 +90,7 @@ using namespace facebook::react;
     };
   }
 
-  folly::dynamic args = [RCTConvert folly_dynamic:arguments];
+  folly::dynamic args = convertIdToFollyDynamic(arguments);
   args.resize(args.size() - _method->callbacks);
 
   try {
diff --git a/React/CxxModule/RCTCxxUtils.h b/React/CxxModule/RCTCxxUtils.h
index c07b6ff8a..0aac6ccbd 100644
--- a/React/CxxModule/RCTCxxUtils.h
+++ b/React/CxxModule/RCTCxxUtils.h
@@ -9,21 +9,14 @@
 
 #include <memory>
 
-#import <React/RCTConvert.h>
-#include <JavaScriptCore/JavaScriptCore.h>
-#include <cxxreact/JSCExecutor.h>
-#include <folly/dynamic.h>
-#include <jschelpers/JavaScriptCore.h>
+#import <JavaScriptCore/JavaScriptCore.h>
+
+#import <cxxreact/JSCExecutor.h>
+#import <jschelpers/JavaScriptCore.h>
 
 @class RCTBridge;
 @class RCTModuleData;
 
-@interface RCTConvert (folly)
-
-+ (folly::dynamic)folly_dynamic:(id)json;
-
-@end
-
 namespace facebook {
 namespace react {
 
diff --git a/React/CxxModule/RCTCxxUtils.mm b/React/CxxModule/RCTCxxUtils.mm
index ec9f88afc..053f45c0d 100644
--- a/React/CxxModule/RCTCxxUtils.mm
+++ b/React/CxxModule/RCTCxxUtils.mm
@@ -12,32 +12,13 @@
 #import <React/RCTFollyConvert.h>
 #import <React/RCTModuleData.h>
 #import <React/RCTUtils.h>
-#include <cxxreact/CxxNativeModule.h>
-#include <jschelpers/Value.h>
+#import <cxxreact/CxxNativeModule.h>
+#import <jschelpers/Value.h>
 
 #import "DispatchMessageQueueThread.h"
 #import "RCTCxxModule.h"
 #import "RCTNativeModule.h"
 
-using namespace facebook::react;
-
-@implementation RCTConvert (folly)
-
-+ (folly::dynamic)folly_dynamic:(id)json;
-{
-  if (json == nil || json == (id)kCFNull) {
-    return nullptr;
-  } else {
-    folly::dynamic dyn = convertIdToFollyDynamic(json);
-     if (dyn == nil) {
-       RCTAssert(false, @"RCTConvert input json is of an impossible type");
-     }
-     return dyn;
-  }
-}
-
-@end
-
 namespace facebook {
 namespace react {
 
@@ -109,7 +90,8 @@ static NSError *errorWithException(const std::exception &e)
   return [NSError errorWithDomain:RCTErrorDomain code:1 userInfo:errorInfo];
 }
 
-NSError *tryAndReturnError(const std::function<void()>& func) {
+NSError *tryAndReturnError(const std::function<void()>& func)
+{
   try {
     @try {
       func();
@@ -133,7 +115,8 @@ NSError *tryAndReturnError(const std::function<void()>& func) {
   }
 }
 
-NSString *deriveSourceURL(NSURL *url) {
+NSString *deriveSourceURL(NSURL *url)
+{
   NSString *sourceUrl;
   if (url.isFileURL) {
     // Url will contain only path to resource (i.g. file:// will be removed)
diff --git a/React/CxxModule/RCTNativeModule.mm b/React/CxxModule/RCTNativeModule.mm
index 7e51af062..6d47b1ea6 100644
--- a/React/CxxModule/RCTNativeModule.mm
+++ b/React/CxxModule/RCTNativeModule.mm
@@ -14,6 +14,7 @@
 #import <React/RCTBridgeModule.h>
 #import <React/RCTCxxUtils.h>
 #import <React/RCTFollyConvert.h>
+#import <React/RCTLog.h>
 #import <React/RCTProfile.h>
 #import <React/RCTUtils.h>
 
@@ -49,7 +50,7 @@ folly::dynamic RCTNativeModule::getConstants() {
   RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways,
     @"[RCTNativeModule getConstants] moduleData.exportedConstants", nil);
   NSDictionary *constants = m_moduleData.exportedConstants;
-  folly::dynamic ret = [RCTConvert folly_dynamic:constants];
+  folly::dynamic ret = convertIdToFollyDynamic(constants);
   RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
   return ret;
 }