diff --git a/core/modules/contextual/contextual.libraries.yml b/core/modules/contextual/contextual.libraries.yml
index 16961a6..51281af 100644
--- a/core/modules/contextual/contextual.libraries.yml
+++ b/core/modules/contextual/contextual.libraries.yml
@@ -16,7 +16,7 @@ drupal.contextual-links:
       css/contextual.module.css: {}
     theme:
       css/contextual.theme.css: {}
-      css/contextual.icons.css: {}
+      css/contextual.icons.theme.css: {}
   dependencies:
     - core/jquery
     - core/drupal
diff --git a/core/modules/contextual/css/contextual.icons.css b/core/modules/contextual/css/contextual.icons.theme.css
similarity index 100%
rename from core/modules/contextual/css/contextual.icons.css
rename to core/modules/contextual/css/contextual.icons.theme.css
diff --git a/core/modules/quickedit/css/quickedit.icons.css b/core/modules/quickedit/css/quickedit.icons.theme.css
similarity index 100%
rename from core/modules/quickedit/css/quickedit.icons.css
rename to core/modules/quickedit/css/quickedit.icons.theme.css
diff --git a/core/modules/quickedit/quickedit.libraries.yml b/core/modules/quickedit/quickedit.libraries.yml
index 184864e..7c81563 100644
--- a/core/modules/quickedit/quickedit.libraries.yml
+++ b/core/modules/quickedit/quickedit.libraries.yml
@@ -25,7 +25,7 @@ quickedit:
       css/quickedit.module.css: {}
     theme:
       css/quickedit.theme.css: {}
-      css/quickedit.icons.css: {}
+      css/quickedit.icons.theme.css: {}
   dependencies:
     - core/jquery
     - core/jquery.once
diff --git a/core/modules/shortcut/css/shortcut.icons.css b/core/modules/shortcut/css/shortcut.icons.theme.css
similarity index 100%
rename from core/modules/shortcut/css/shortcut.icons.css
rename to core/modules/shortcut/css/shortcut.icons.theme.css
diff --git a/core/modules/shortcut/shortcut.libraries.yml b/core/modules/shortcut/shortcut.libraries.yml
index 94bad9d..25f630d 100644
--- a/core/modules/shortcut/shortcut.libraries.yml
+++ b/core/modules/shortcut/shortcut.libraries.yml
@@ -13,4 +13,4 @@ drupal.shortcut:
       css/shortcut.module.css: {}
     theme:
       css/shortcut.theme.css: {}
-      css/shortcut.icons.css: {}
+      css/shortcut.icons.theme.css: {}
diff --git a/core/modules/toolbar/css/toolbar.icons.css b/core/modules/toolbar/css/toolbar.icons.theme.css
similarity index 100%
rename from core/modules/toolbar/css/toolbar.icons.css
rename to core/modules/toolbar/css/toolbar.icons.theme.css
diff --git a/core/modules/toolbar/toolbar.libraries.yml b/core/modules/toolbar/toolbar.libraries.yml
index b18450f..df3f660 100644
--- a/core/modules/toolbar/toolbar.libraries.yml
+++ b/core/modules/toolbar/toolbar.libraries.yml
@@ -16,7 +16,7 @@ toolbar:
       css/toolbar.module.css: {}
     theme:
       css/toolbar.theme.css: {}
-      css/toolbar.icons.css: {}
+      css/toolbar.icons.theme.css: {}
   dependencies:
     - core/modernizr
     - core/jquery
diff --git a/core/modules/user/css/user.icons.css b/core/modules/user/css/user.icons.theme.css
similarity index 100%
rename from core/modules/user/css/user.icons.css
rename to core/modules/user/css/user.icons.theme.css
diff --git a/core/modules/user/user.libraries.yml b/core/modules/user/user.libraries.yml
index 037023a..1bcc31f 100644
--- a/core/modules/user/user.libraries.yml
+++ b/core/modules/user/user.libraries.yml
@@ -31,4 +31,4 @@ drupal.user.icons:
   version: VERSION
   css:
     theme:
-      css/user.icons.css: {}
+      css/user.icons.theme.css: {}