diff --git a/spec/decoration-manager-spec.coffee b/spec/decoration-manager-spec.coffee
index 9279bc598..056d8bd83 100644
--- a/spec/decoration-manager-spec.coffee
+++ b/spec/decoration-manager-spec.coffee
@@ -2,7 +2,7 @@ DecorationManager = require '../src/decoration-manager'
 TextEditor = require '../src/text-editor'
 
 # Tests crash the renderer process on Electron 3.0, disabling for now.
-xdescribe "DecorationManager", ->
+describe "DecorationManager", ->
   [decorationManager, buffer, editor, markerLayer1, markerLayer2] = []
 
   beforeEach ->
diff --git a/spec/selection-spec.js b/spec/selection-spec.js
index f3a266879..216c3936c 100644
--- a/spec/selection-spec.js
+++ b/spec/selection-spec.js
@@ -1,7 +1,7 @@
 const TextEditor = require('../src/text-editor')
 
 // Tests crash the renderer process on Electron 3.0, disabling for now.
-xdescribe('Selection', () => {
+describe('Selection', () => {
   let buffer, editor, selection
 
   beforeEach(() => {
diff --git a/spec/text-mate-language-mode-spec.js b/spec/text-mate-language-mode-spec.js
index 4f6c7a777..226a828e7 100644
--- a/spec/text-mate-language-mode-spec.js
+++ b/spec/text-mate-language-mode-spec.js
@@ -7,7 +7,7 @@ const dedent = require('dedent')
 const {it, fit, ffit, fffit, beforeEach, afterEach} = require('./async-spec-helpers')
 
 // Tests crash the renderer process on Electron 3.0, disabling for now.
-xdescribe('TextMateLanguageMode', () => {
+describe('TextMateLanguageMode', () => {
   let languageMode, buffer, config
 
   beforeEach(async () => {