diff --git a/lib/ace/document.js b/lib/ace/document.js
index 07726de7..c689553c 100644
--- a/lib/ace/document.js
+++ b/lib/ace/document.js
@@ -288,23 +288,23 @@ var Document = function(textOrLines) {
 
     // Deprecated methods retained for backwards compatibility.
     this.insert = function(position, text){
-        console.log('Warning: document.insert is deprecated. Use the insertText method instead.');
+        console.warn('Use of document.insert is deprecated. Use the insertText method instead.');
         return this.insertText(position, text);
     }
     this.insertLines = function(row, lines) {
-        console.log('Warning: document.insertLines is deprecated. Use the insertFullLines method instead.');
+        console.warn('Use of document.insertLines is deprecated. Use the insertFullLines method instead.');
         return this.insertFullLines(row, lines);
     }
     this.removeLines = function(firstRow, lastRow) {
-        console.log('Warning: document.removeLines is deprecated. Use the removeFullLines method instead.');
+        console.warn('Use of document.removeLines is deprecated. Use the removeFullLines method instead.');
         return this.removeFullLines(firstRow, lastRow);
     }
     this.insertNewLine = function(position) {
-        console.log('Warning: document.insertNewLine is deprecated. Use insertMergedLines(position, [\'\', \'\']) instead.');
+        console.warn('Use of document.insertNewLine is deprecated. Use insertMergedLines(position, [\'\', \'\']) instead.');
         return this.insertMergedLines(position, ['', '']);
     }
     this.insertInLine = function(position, text) {
-        console.log('Warning: document.insertInLine is deprecated. Use insertText instead.');
+        console.warn('Use of document.insertInLine is deprecated. Use insertText instead.');
         return this.insertText(position, text);
     }
 
diff --git a/lib/ace/edit_session.js b/lib/ace/edit_session.js
index e48bdc37..0845418b 100644
--- a/lib/ace/edit_session.js
+++ b/lib/ace/edit_session.js
@@ -1130,7 +1130,7 @@ var EditSession = function(text, mode) {
     
     // Deprecated method retained for backwards compatibility.
     this.insert = function(position, text){
-        console.log('Warning: editsession.insert is deprecated. Use the insertText method instead.');
+        console.warn('Use of editsession.insert is deprecated. Use the insertText method instead.');
         return this.insertText(position, text)
     }
 
diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index 73873b4a..6f5980a1 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -832,7 +832,7 @@ var Editor = function(renderer, session) {
     
     // Deprecated method retained for backwards compatibility.
     this.insert = function(text){
-        console.log('Warning: editor.insert is deprecated. Use the insertText method instead.');
+        console.warn('Use of editor.insert is deprecated. Use the insertText method instead.');
         return this.insertText(text)
     }