diff --git a/Libraries/Utilities/MessageQueue.js b/Libraries/Utilities/MessageQueue.js
index d1d3528584f..8f026978b7c 100644
--- a/Libraries/Utilities/MessageQueue.js
+++ b/Libraries/Utilities/MessageQueue.js
@@ -330,12 +330,7 @@ class MessageQueue {
       return null;
     }
 
-    let moduleName, constants, methods, promiseMethods, syncMethods;
-    if (moduleHasConstants(config)) {
-      [moduleName, constants, methods, promiseMethods, syncMethods] = config;
-    } else {
-      [moduleName, methods, promiseMethods, syncMethods] = (config:any);
-    }
+    const [moduleName, constants, methods, promiseMethods, syncMethods] = config;
 
     const module = {};
     methods && methods.forEach((methodName, methodID) => {
@@ -347,7 +342,8 @@ class MessageQueue {
     });
     Object.assign(module, constants);
 
-    if (!constants && !methods && !promiseMethods) {
+    if (!constants && !methods) {
+      // Module contents will be filled in lazily later (see NativeModules)
       module.moduleID = moduleID;
     }
 
@@ -395,22 +391,12 @@ class MessageQueue {
       return;
     }
 
-    let moduleName, methods;
-    if (moduleHasConstants(config)) {
-      [moduleName, , methods] = config;
-    } else {
-      [moduleName, methods] = (config:any);
-    }
-
+    const [moduleName, , methods] = config;
     this._remoteModuleTable[moduleID] = moduleName;
     this._remoteMethodTable[moduleID] = methods;
   }
 }
 
-function moduleHasConstants(moduleArray: ModuleConfig): boolean {
-  return !Array.isArray(moduleArray[1]);
-}
-
 function arrayContains<T>(array: Array<T>, value: T): boolean {
   return array.indexOf(value) !== -1;
 }
diff --git a/Libraries/Utilities/__mocks__/MessageQueueTestConfig.js b/Libraries/Utilities/__mocks__/MessageQueueTestConfig.js
index 61db180aaba..57aee1a2931 100644
--- a/Libraries/Utilities/__mocks__/MessageQueueTestConfig.js
+++ b/Libraries/Utilities/__mocks__/MessageQueueTestConfig.js
@@ -10,8 +10,8 @@
  */
 'use strict';
 var remoteModulesConfig = [
-  ['RemoteModule1',['remoteMethod1','remoteMethod2'],[],[]],
-  ['RemoteModule2',['remoteMethod1','remoteMethod2'],[],[]],
+  ['RemoteModule1',null,['remoteMethod1','remoteMethod2'],[],[]],
+  ['RemoteModule2',null,['remoteMethod1','remoteMethod2'],[],[]],
 ];
 
 var MessageQueueTestConfig = {
diff --git a/React/Base/RCTModuleData.mm b/React/Base/RCTModuleData.mm
index 340badc50e1..213dab09e41 100644
--- a/React/Base/RCTModuleData.mm
+++ b/React/Base/RCTModuleData.mm
@@ -329,12 +329,12 @@ RCT_NOT_IMPLEMENTED(- (instancetype)init);
   }
 
   NSArray *config = @[
-                      self.name,
-                      RCTNullIfNil(constants),
-                      RCTNullIfNil(methods),
-                      RCTNullIfNil(promiseMethods),
-                      RCTNullIfNil(syncMethods)
-                      ];
+    self.name,
+    RCTNullIfNil(constants),
+    RCTNullIfNil(methods),
+    RCTNullIfNil(promiseMethods),
+    RCTNullIfNil(syncMethods)
+  ];
   RCT_PROFILE_END_EVENT(RCTProfileTagAlways, ([NSString stringWithFormat:@"[RCTModuleData config] %@", _moduleClass]));
   return config;
 }
diff --git a/ReactCommon/cxxreact/ModuleRegistry.cpp b/ReactCommon/cxxreact/ModuleRegistry.cpp
index cf78c4558d8..0b13e4109d9 100644
--- a/ReactCommon/cxxreact/ModuleRegistry.cpp
+++ b/ReactCommon/cxxreact/ModuleRegistry.cpp
@@ -53,10 +53,7 @@ folly::dynamic ModuleRegistry::getConfig(const std::string& name) {
 
   {
     SystraceSection s("getConstants");
-    folly::dynamic constants = module->getConstants();
-    if (constants.isObject() && constants.size() > 0) {
-      config.push_back(std::move(constants));
-    }
+    config.push_back(module->getConstants());
   }
 
   {