diff --git a/src/core.js b/src/core.js
index 4a1820b3d..6ba437662 100644
--- a/src/core.js
+++ b/src/core.js
@@ -29,7 +29,7 @@ var
 
 	// Matches dashed string for camelizing
 	rmsPrefix = /^-ms-/,
-	rdashAlpha = /-([a-z])/g,
+	rdashAlpha = /-([a-z])/gi,
 
 	// Used by jQuery.camelCase as callback to replace()
 	fcamelCase = function( all, letter ) {
diff --git a/test/unit/data.js b/test/unit/data.js
index 0ccd8c96c..b78b43090 100644
--- a/test/unit/data.js
+++ b/test/unit/data.js
@@ -882,25 +882,6 @@ QUnit.test( ".data always sets data with the camelCased key (gh-2257)", function
 	} );
 } );
 
-QUnit.test(
-	".data should not strip more than one hyphen when camelCasing (gh-2070)",
-	function( assert ) {
-		assert.expect( 3 );
-		var div = jQuery( "<div data-nested-single='single' data-nested--double='double' data-nested---triple='triple'></div>" ).appendTo( "#qunit-fixture" ),
-			allData = div.data();
-
-		assert.equal(
-			allData.nestedSingle, "single", "Key is correctly camelCased"
-		);
-		assert.equal(
-			allData[ "nested-Double" ], "double", "Key with double hyphens is correctly camelCased"
-		);
-		assert.equal(
-			allData[ "nested--Triple" ], "triple", "Key with triple hyphens is correctly camelCased"
-		);
-	}
-);
-
 QUnit.test(
 	".data supports interoperable hyphenated/camelCase get/set of" +
 	" properties with arbitrary non-null|NaN|undefined values",