diff --git a/lib/renderer/api/remote.js b/lib/renderer/api/remote.js
index ecbc7f7f4b8a..f115215f311b 100644
--- a/lib/renderer/api/remote.js
+++ b/lib/renderer/api/remote.js
@@ -11,25 +11,6 @@ const resolvePromise = Promise.resolve.bind(Promise)
 const callbacksRegistry = new CallbacksRegistry()
 const remoteObjectCache = v8Util.createIDWeakMap()
 
-// lookup for ipc renderer send calls
-const ipcs = {
-  'b_mem_con': 'ELECTRON_BROWSER_MEMBER_CONSTRUCTOR',
-  'b_mem_call': 'ELECTRON_BROWSER_MEMBER_CALL',
-  'b_mem_get': 'ELECTRON_BROWSER_MEMBER_GET',
-  'b_mem_set': 'ELECTRON_BROWSER_MEMBER_SET',
-  'b_con': 'ELECTRON_BROWSER_CONSTRUCTOR',
-  'b_func_call': 'ELECTRON_BROWSER_FUNCTION_CALL',
-  'rend_call': 'ELECTRON_RENDERER_CALLBACK',
-  'rend_rel_call': 'ELECTRON_RENDERER_RELEASE_CALLBACK',
-  'b_con_rel': 'ELECTRON_BROWSER_CONTEXT_RELEASE',
-  'b_req': 'ELECTRON_BROWSER_REQUIRE',
-  'b_get_built': 'ELECTRON_BROWSER_GET_BUILTIN',
-  'b_curr_win': 'ELECTRON_BROWSER_CURRENT_WINDOW',
-  'b_curr_web_con': 'ELECTRON_BROWSER_CURRENT_WEB_CONTENTS',
-  'b_glob': 'ELECTRON_BROWSER_GLOBAL',
-  'b_guest_web_con': 'ELECTRON_BROWSER_GUEST_WEB_CONTENTS'
-}
-
 // Convert the arguments object into an array of meta data.
 function wrapArgs (args, visited) {
   if (visited) visited = new Set()
@@ -126,11 +107,11 @@ function setObjectMembers (ref, object, metaId, members) {
       const remoteMemberFunction = function (...args) {
         if (this && this.constructor === remoteMemberFunction) {
           // Constructor call.
-          const ret = ipcRenderer.sendSync(ipcs['b_mem_con'], metaId, member.name, wrapArgs(args))
+          const ret = ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_CONSTRUCTOR', metaId, member.name, wrapArgs(args))
           return metaToValue(ret)
         } else {
           // Call member function.
-          const ret = ipcRenderer.sendSync(ipcs['b_mem_call'], metaId, member.name, wrapArgs(args))
+          const ret = ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_CALL', metaId, member.name, wrapArgs(args))
           return metaToValue(ret)
         }
       }
@@ -149,14 +130,14 @@ function setObjectMembers (ref, object, metaId, members) {
       descriptor.configurable = true
     } else if (member.type === 'get') {
       descriptor.get = function () {
-        return metaToValue(ipcRenderer.sendSync(ipcs['b_mem_get'], metaId, member.name))
+        return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_GET', metaId, member.name))
       }
 
       // Only set setter when it is writable.
       if (member.writable) {
         descriptor.set = function (value) {
           const args = wrapArgs([value])
-          const meta = ipcRenderer.sendSync(ipcs['b_mem_set'], metaId, member.name, args)
+          const meta = ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_SET', metaId, member.name, args)
           // Meta will be non-null when a setter error occurred so parse it
           // to a value so it gets re-thrown.
           if (meta) metaToValue(meta)
@@ -187,7 +168,7 @@ function proxyFunctionProperties (remoteMemberFunction, metaId, name) {
   const loadRemoteProperties = () => {
     if (loaded) return
     loaded = true
-    const meta = ipcRenderer.sendSync(ipcs['b_mem_get'], metaId, name)
+    const meta = ipcRenderer.sendSync('ELECTRON_BROWSER_MEMBER_GET', metaId, name)
     setObjectMembers(remoteMemberFunction, remoteMemberFunction, meta.id, meta.members)
   }
 
@@ -247,9 +228,9 @@ function metaToValue (meta) {
     if (meta.type === 'function') {
       let remoteFunction = function (...args) {
         if (this && this.constructor === remoteFunction) {
-          return metaToValue(ipcRenderer.sendSync(ipcs['b_con'], meta.id, wrapArgs(args)))
+          return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_CONSTRUCTOR', meta.id, wrapArgs(args)))
         } else {
-          return metaToValue(ipcRenderer.sendSync(ipcs['b_func_call'], meta.id, wrapArgs(args)))
+          return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_FUNCTION_CALL', meta.id, wrapArgs(args)))
         }
       }
       ret = remoteFunction
@@ -283,42 +264,42 @@ function metaToPlainObject (meta) {
 }
 
 // Browser calls a callback in renderer.
-ipcRenderer.on(ipcs['rend_call'], (event, id, args) => {
+ipcRenderer.on('ELECTRON_RENDERER_CALLBACK', (event, id, args) => {
   callbacksRegistry.apply(id, metaToValue(args))
 })
 
 // A callback in browser is released.
-ipcRenderer.on(ipcs['rend_rel_call'], (event, id) => {
+ipcRenderer.on('ELECTRON_RENDERER_RELEASE_CALLBACK', (event, id) => {
   callbacksRegistry.remove(id)
 })
 
 process.on('exit', () => {
-  ipcRenderer.sendSync(ipcs['b_con_rel'])
+  ipcRenderer.sendSync('ELECTRON_BROWSER_CONTEXT_RELEASE')
 })
 
 // Get remote module.
 exports.require = function (module) {
-  return metaToValue(ipcRenderer.sendSync(ipcs['b_req'], module))
+  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_REQUIRE', module))
 }
 
 // Alias to remote.require('electron').xxx.
 exports.getBuiltin = function (module) {
-  return metaToValue(ipcRenderer.sendSync(ipcs['b_get_built'], module))
+  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_GET_BUILTIN', module))
 }
 
 // Get current BrowserWindow.
 exports.getCurrentWindow = function () {
-  return metaToValue(ipcRenderer.sendSync(ipcs['b_curr_win']))
+  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_CURRENT_WINDOW'))
 }
 
 // Get current WebContents object.
 exports.getCurrentWebContents = function () {
-  return metaToValue(ipcRenderer.sendSync(ipcs['b_curr_web_cont']))
+  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_CURRENT_WEB_CONTENTS'))
 }
 
 // Get a global object in browser.
 exports.getGlobal = function (name) {
-  return metaToValue(ipcRenderer.sendSync(ipcs['b_glob'], name))
+  return metaToValue(ipcRenderer.sendSync('ELECTRON_BROWSER_GLOBAL', name))
 }
 
 // Get the process object in browser.
@@ -335,7 +316,7 @@ exports.createFunctionWithReturnValue = function (returnValue) {
 
 // Get the guest WebContents from guestInstanceId.
 exports.getGuestWebContents = function (guestInstanceId) {
-  const meta = ipcRenderer.sendSync(ipcs['b_guest_web_con'], guestInstanceId)
+  const meta = ipcRenderer.sendSync('ELECTRON_BROWSER_GUEST_WEB_CONTENTS', guestInstanceId)
   return metaToValue(meta)
 }