diff --git a/static/rouen/_custom.scss b/static/rouen/_custom.scss
index 0e5fd4f..5135032 100644
--- a/static/rouen/_custom.scss
+++ b/static/rouen/_custom.scss
@@ -119,15 +119,15 @@ div#nav li {
 }
 
 div#footer > div > div > div {
-	@include flexbox();
-	@include vendor-prefix(flex-wrap, wrap);
+	display: flex;
+	flex-wrap: wrap;
 	@media screen and (max-width: $custom-very-small-screen) {
-		@include vendor-prefix(flex-direction, column);
+		flex-direction: column;
 	}
 }
 
 div#footer div#footer-logos {
-	@include flex(1);
+	flex: 1;
 	@media screen and (max-width: $custom-very-small-screen) {
 		flex-basis: auto;
 	}
@@ -193,7 +193,7 @@ div#footer div#footer-logos {
 }
 
 div#footer div#footer-content {
-	@include flex(3);
+	flex: 3;
 	@media screen and (max-width: $custom-very-small-screen) {
 		flex-basis: auto;
 	}
@@ -322,7 +322,7 @@ div.a2-block form button, div.a2-block form input[type="submit"] {
 }
 
 div#content div.buttons.submit {
-	@include flexbox();
+	display: flex;
 	& div.submit-button { order: 1;	}
 
 	@media screen and ($max-mobile-viewport) {
diff --git a/static/rouen/_links.scss b/static/rouen/_links.scss
index 9c8fcfc..15f7f13 100644
--- a/static/rouen/_links.scss
+++ b/static/rouen/_links.scss
@@ -214,8 +214,8 @@ div#toplinks {
 	text-align: right;
 
 	a.login, a.logout {
-		@include flexbox();
-		@include vendor-prefix(justify-content, flex-end);
+		display: flex;
+		justify-content: flex-end;
 
 		border: none;
 
diff --git a/static/rouen/style.scss b/static/rouen/style.scss
index eed8859..ca78fed 100644
--- a/static/rouen/style.scss
+++ b/static/rouen/style.scss
@@ -2,7 +2,6 @@
 
 @import 'vars';
 @import '../../publik-base-theme/static/includes/publik';
-@import '../../publik-base-theme/static/includes/flexbox_mixins';
 
 @import 'custom';
 @import 'links';