diff --git a/src/clipboard-action.js b/src/clipboard-action.js
index 8346b81..dbb1e62 100644
--- a/src/clipboard-action.js
+++ b/src/clipboard-action.js
@@ -7,15 +7,15 @@ class ClipboardAction {
      * @param {Object} options
      */
     constructor(options) {
-        this.resolveOptions(options);
-        this.initSelection();
+        this._resolveOptions(options);
+        this._initSelection();
     }
 
     /**
      * Defines base properties passed from constructor.
      * @param {Object} options
      */
-    resolveOptions(options = {}) {
+    _resolveOptions(options = {}) {
         this.action  = options.action;
         this.emitter = options.emitter;
         this.target  = options.target;
@@ -29,7 +29,7 @@ class ClipboardAction {
      * Decides which selection strategy is going to be applied based
      * on the existence of `text` and `target` properties.
      */
-    initSelection() {
+    _initSelection() {
         if (this.text && this.target) {
             throw new Error('Multiple attributes declared, use either "target" or "text"');
         }
@@ -37,7 +37,7 @@ class ClipboardAction {
             this.selectFake();
         }
         else if (this.target) {
-            this.selectTarget();
+            this._selectTarget();
         }
         else {
             throw new Error('Missing required attributes, use either "target" or "text"');
@@ -63,7 +63,7 @@ class ClipboardAction {
         document.body.appendChild(this.fakeElem);
 
         this.fakeElem.select();
-        this.copyText();
+        this._copyText();
     }
 
     /**
@@ -85,7 +85,7 @@ class ClipboardAction {
     /**
      * Selects the content from element passed on `target` property.
      */
-    selectTarget() {
+    _selectTarget() {
         if (this.target.nodeName === 'INPUT' || this.target.nodeName === 'TEXTAREA') {
             this.target.select();
             this.selectedText = this.target.value;
@@ -99,13 +99,13 @@ class ClipboardAction {
             this.selectedText = selection.toString();
         }
 
-        this.copyText();
+        this._copyText();
     }
 
     /**
      * Executes the copy operation based on the current selection.
      */
-    copyText() {
+    _copyText() {
         let succeeded;
 
         try {
diff --git a/src/clipboard.js b/src/clipboard.js
index 5f2bcd0..89413a7 100644
--- a/src/clipboard.js
+++ b/src/clipboard.js
@@ -16,8 +16,8 @@ class Clipboard extends Emitter {
     constructor(selector, options) {
         super();
 
-        this.resolveOptions(options);
-        this.delegateClick(selector);
+        this._resolveOptions(options);
+        this._delegateClick(selector);
     }
 
     /**
@@ -25,17 +25,17 @@ class Clipboard extends Emitter {
      * or custom functions that were passed in the constructor.
      * @param {Object} options
      */
-    resolveOptions(options = {}) {
+    _resolveOptions(options = {}) {
         this.action = (typeof options.action === 'function') ? options.action : this.setAction;
         this.target = (typeof options.target === 'function') ? options.target : this.setTarget;
         this.text   = (typeof options.text   === 'function') ? options.text   : this.setText;
     }
 
     /**
-     * Delegates a click event on the passed selector.
+     * Delegates a click event to the passed selector.
      * @param {String} selector
      */
-    delegateClick(selector) {
+    _delegateClick(selector) {
         Delegate.bind(document.body, selector, 'click', (e) => this.initialize(e));
     }
 
diff --git a/test/clipboard-action.js b/test/clipboard-action.js
index ace0825..6c634aa 100644
--- a/test/clipboard-action.js
+++ b/test/clipboard-action.js
@@ -19,7 +19,7 @@ describe('ClipboardAction', () => {
         document.body.innerHTML = '';
     });
 
-    describe('#resolveOptions', () => {
+    describe('_resolveOptions', () => {
         it('should set base properties', () => {
             let clip = new ClipboardAction({
                 emitter: new Emitter(),
@@ -35,7 +35,7 @@ describe('ClipboardAction', () => {
         });
     });
 
-    describe('#initSelection', () => {
+    describe('_initSelection', () => {
         it('should throw an error since both "text" and "target" were passed', done => {
             try {
                 new ClipboardAction({
@@ -113,7 +113,7 @@ describe('ClipboardAction', () => {
         });
     });
 
-    describe('#selectTarget', () => {
+    describe('_selectTarget', () => {
         it('should select text from editable element', () => {
             let clip = new ClipboardAction({
                 emitter: new Emitter(),
diff --git a/test/clipboard.js b/test/clipboard.js
index b62e859..4f95be5 100644
--- a/test/clipboard.js
+++ b/test/clipboard.js
@@ -18,7 +18,7 @@ describe('Clipboard', () => {
         document.body.innerHTML = '';
     });
 
-    describe('#resolveOptions', function() {
+    describe('_resolveOptions', function() {
         before(() => {
             global.fn = function() {};
         });
@@ -48,7 +48,7 @@ describe('Clipboard', () => {
         });
     });
 
-    describe('#delegateClick', function() {
+    describe('_delegateClick', function() {
         before(() => {
             global.spy = sinon.spy(Delegate, 'bind');
         });