diff --git a/core/misc/dropbutton/dropbutton.base-rtl.css b/core/misc/dropbutton/dropbutton.base-rtl.css
index 044272b5254aa572661f857c5c50e8a64ad3e1b1..917c2a89800f6c4802ede71cae01c65cd9aaf1ad 100644
--- a/core/misc/dropbutton/dropbutton.base-rtl.css
+++ b/core/misc/dropbutton/dropbutton.base-rtl.css
@@ -7,6 +7,10 @@
 /**
  * The dropbutton arrow.
  */
+.dropbutton-widget {
+  left: 0;
+  right: auto;
+}
 .dropbutton-toggle {
   left: 0;
   right: auto;
diff --git a/core/misc/dropbutton/dropbutton.base.css b/core/misc/dropbutton/dropbutton.base.css
index 5a5f71ca33e81d3b1d15c39fb2bec92cfc558603..307484eb41cbcafa633bce93326d37ac697de951 100644
--- a/core/misc/dropbutton/dropbutton.base.css
+++ b/core/misc/dropbutton/dropbutton.base.css
@@ -14,10 +14,17 @@
   box-sizing: border-box;
 }
 .dropbutton-wrapper {
-  display: inline-block;
+  display: block;
+  min-height: 2em;
+  position: relative;
 }
 .dropbutton-widget {
-  position: relative;
+  position: absolute;
+  right: 0; /* LTR */
+}
+.dropbutton-wrapper,
+.dropbutton-widget {
+  max-width: 100%;
 }
 /* UL styles are over-scoped in core, so this selector needs weight parity. */
 .dropbutton-widget .dropbutton {
@@ -44,6 +51,13 @@
 .dropbutton-multiple .dropbutton-widget {
   padding-right: 2em; /* LTR */
 }
+.dropbutton-multiple.open,
+.dropbutton-multiple.open .dropbutton-widget {
+  max-width: none;
+}
+.dropbutton-multiple.open {
+  z-index: 100;
+}
 .dropbutton-multiple .dropbutton .secondary-action {
   display: none;
 }
diff --git a/core/modules/node/node.admin-rtl.css b/core/modules/node/node.admin-rtl.css
deleted file mode 100644
index d836f6598480a8f7582033df487c2f38da2977bb..0000000000000000000000000000000000000000
--- a/core/modules/node/node.admin-rtl.css
+++ /dev/null
@@ -1,7 +0,0 @@
-/**
- * Operations dropbuttons
- */
-.dropbutton-widget {
-  left: 0;
-  right: auto;
-}
diff --git a/core/modules/node/node.admin.css b/core/modules/node/node.admin.css
index c23db9d1d82e5d25dbe238394c19fcab5039f35e..101a38d5390485f8f36f2a72aa88f3d45e8430d3 100644
--- a/core/modules/node/node.admin.css
+++ b/core/modules/node/node.admin.css
@@ -9,27 +9,3 @@
 .revision-current {
   background: #ffc;
 }
-
-/**
- * Operations dropbuttons
- */
-.dropbutton-wrapper {
-  display: block;
-  min-height: 2em;
-  position: relative;
-}
-.dropbutton-widget {
-  position: absolute;
-  right: 0; /* LTR */
-}
-.dropbutton-wrapper,
-.dropbutton-widget {
-  max-width: 100%;
-}
-.dropbutton-multiple.open,
-.dropbutton-multiple.open .dropbutton-widget {
-  max-width: none;
-}
-.dropbutton-multiple.open {
-  z-index: 100;
-}