diff --git a/lib/repl.js b/lib/repl.js
index 6345c742f68f33..1bdfe0f185dd86 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -880,7 +880,7 @@ REPLServer.prototype.setPrompt = function setPrompt(prompt) {
 };
 
 REPLServer.prototype.turnOffEditorMode = util.deprecate(
-  function() { _turnOffEditorMode(this); },
+  function deprecateCB() { _turnOffEditorMode(this); },
   'REPLServer.turnOffEditorMode() is deprecated',
   'DEP0078');
 
@@ -1401,7 +1401,7 @@ function _turnOffEditorMode(repl) {
 function defineDefaultCommands(repl) {
   repl.defineCommand('break', {
     help: 'Sometimes you get stuck, this gets you out',
-    action: function() {
+    action: function defineDefaultCommandsAction() {
       this.clearBufferedCommand();
       this.displayPrompt();
     }
@@ -1415,7 +1415,7 @@ function defineDefaultCommands(repl) {
   }
   repl.defineCommand('clear', {
     help: clearMessage,
-    action: function() {
+    action: function defineCommandClearAction() {
       this.clearBufferedCommand();
       if (!this.useGlobal) {
         this.outputStream.write('Clearing context...\n');
@@ -1427,14 +1427,14 @@ function defineDefaultCommands(repl) {
 
   repl.defineCommand('exit', {
     help: 'Exit the repl',
-    action: function() {
+    action: function defineCommandExitAction() {
       this.close();
     }
   });
 
   repl.defineCommand('help', {
     help: 'Print this help message',
-    action: function() {
+    action: function defineCommandHelpAction() {
       const names = Object.keys(this.commands).sort();
       const longestNameLength = names.reduce(
         (max, name) => Math.max(max, name.length),
@@ -1453,7 +1453,7 @@ function defineDefaultCommands(repl) {
 
   repl.defineCommand('save', {
     help: 'Save all evaluated commands in this REPL session to a file',
-    action: function(file) {
+    action: function defineCommandSaveAction(file) {
       try {
         fs.writeFileSync(file, this.lines.join('\n') + '\n');
         this.outputStream.write('Session saved to: ' + file + '\n');
@@ -1466,7 +1466,7 @@ function defineDefaultCommands(repl) {
 
   repl.defineCommand('load', {
     help: 'Load JS from a file into the REPL session',
-    action: function(file) {
+    action: function defineDefineCommandLoadAction(file) {
       try {
         var stats = fs.statSync(file);
         if (stats && stats.isFile()) {