diff --git a/src/grids/css/grids-r.css b/src/grids/css/grids-r.css
deleted file mode 100644
index b9ff062..0000000
--- a/src/grids/css/grids-r.css
+++ /dev/null
@@ -1,102 +0,0 @@
-/*csslint regex-selectors:false, known-properties:false, duplicate-properties:false*/
-
-.pure-g-r {
- letter-spacing: -0.31em;
- *letter-spacing: normal;
- *word-spacing: -0.43em;
-
- /*
- Sets the font stack to fonts known to work properly with the above letter
- and word spacings. See: https://github.com/yui/pure/issues/41/
-
- The following font stack makes Pure Grids work on all known environments.
-
- * FreeSans: Ships with many Linux distros, including Ubuntu
-
- * Arimo: Ships with Chrome OS. Arimo has to be defined before Helvetica and
- Arial to get picked up by the browser, even though neither is available
- in Chrome OS.
-
- * Droid Sans: Ships with all versions of Android.
-
- * Helvetica, Arial, sans-serif: Common font stack on OS X and Windows.
- */
- font-family: FreeSans, Arimo, "Droid Sans", Helvetica, Arial, sans-serif;
-
- /*
- Use flexbox when possible to avoid `letter-spacing` side-effects.
-
- NOTE: Firefox (as of 25) does not currently support flex-wrap, so the
- `-moz-` prefix version is omitted.
- */
-
- display: -webkit-flex;
- -webkit-flex-flow: row wrap;
-
- /* IE10 uses display: flexbox */
- display: -ms-flexbox;
- -ms-flex-flow: row wrap;
-}
-
-/* Opera as of 12 on Windows needs word-spacing.
- The ".opera-only" selector is used to prevent actual prefocus styling
- and is not required in markup.
-*/
-.opera-only :-o-prefocus,
-.pure-g-r {
- word-spacing: -0.43em;
-}
-
-/*
-Resets the font family back to the OS/browser's default sans-serif font,
-this the same font stack that Normalize.css sets for the `body`.
-*/
-.pure-g-r [class *= "pure-u"] {
- font-family: sans-serif;
-}
-
-.pure-g-r img {
- max-width: 100%;
- height: auto;
-}
-
-@media (min-width: 980px) {
- .pure-visible-phone {
- display: none;
- }
- .pure-visible-tablet {
- display: none;
- }
- .pure-hidden-desktop {
- display: none;
- }
-}
-
-@media (max-width: 480px) {
- .pure-g-r > .pure-u,
- .pure-g-r > [class *= "pure-u-"] {
- width: 100%;
- }
-}
-
-@media (max-width: 767px) {
- .pure-g-r > .pure-u,
- .pure-g-r > [class *= "pure-u-"] {
- width: 100%;
- }
- .pure-hidden-phone {
- display: none;
- }
- .pure-visible-desktop {
- display: none;
- }
-}
-
-@media (min-width: 768px) and (max-width: 979px) {
- .pure-hidden-tablet {
- display: none;
- }
- .pure-visible-desktop {
- display: none;
- }
-}
diff --git a/src/grids/tests/manual/responsive.html b/src/grids/tests/manual/responsive.html
index bc8505f..225dea3 100644
--- a/src/grids/tests/manual/responsive.html
+++ b/src/grids/tests/manual/responsive.html
@@ -274,301 +274,6 @@
-
Responsive Grid
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Images Grid
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Nested Grids
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Custom Font and Grids
@@ -576,7 +281,7 @@
Grids with a serif font stack.
-
+
@@ -592,7 +297,7 @@
-
+
r1/4
@@ -616,7 +321,7 @@
Grids with a monospace font stack.
-
-