diff --git a/phpBB/styles/prosilver/template/overall_header.html b/phpBB/styles/prosilver/template/overall_header.html
index 0fd2fa4c56..823d5e1c12 100644
--- a/phpBB/styles/prosilver/template/overall_header.html
+++ b/phpBB/styles/prosilver/template/overall_header.html
@@ -47,7 +47,6 @@
 <link href="{T_FONT_AWESOME_LINK}" rel="stylesheet">
 <link href="{T_STYLESHEET_LINK}" rel="stylesheet">
 <link href="{T_STYLESHEET_LANG_LINK}" rel="stylesheet">
-<link href="{T_THEME_PATH}/responsive.css?assets_version={T_ASSETS_VERSION}" rel="stylesheet" />
 
 <!-- IF S_CONTENT_DIRECTION eq 'rtl' -->
 	<link href="{T_THEME_PATH}/bidi.css?assets_version={T_ASSETS_VERSION}" rel="stylesheet">
diff --git a/phpBB/styles/prosilver/template/simple_header.html b/phpBB/styles/prosilver/template/simple_header.html
index 2653f9969d..7ff62790b4 100644
--- a/phpBB/styles/prosilver/template/simple_header.html
+++ b/phpBB/styles/prosilver/template/simple_header.html
@@ -24,7 +24,6 @@
 <!-- ENDIF -->
 <link href="{T_STYLESHEET_LINK}" rel="stylesheet">
 <link href="{T_STYLESHEET_LANG_LINK}" rel="stylesheet">
-<link href="{T_THEME_PATH}/responsive.css?assets_version={T_ASSETS_VERSION}" rel="stylesheet" media="all and (max-width: 700px)">
 
 <!-- IF S_CONTENT_DIRECTION eq 'rtl' -->
 	<link href="{T_THEME_PATH}/bidi.css?assets_version={T_ASSETS_VERSION}" rel="stylesheet">
diff --git a/phpBB/styles/prosilver/theme/stylesheet.css b/phpBB/styles/prosilver/theme/stylesheet.css
index 78259ea749..4fe97d144b 100644
--- a/phpBB/styles/prosilver/theme/stylesheet.css
+++ b/phpBB/styles/prosilver/theme/stylesheet.css
@@ -18,3 +18,4 @@
 @import url("forms.css");
 @import url("icons.css");
 @import url("colours.css");
+@import url("responsive.css");