diff --git a/core/modules/image/css/image.theme.css b/core/modules/image/css/image.theme.css
deleted file mode 100644
index 3da51ef..0000000
--- a/core/modules/image/css/image.theme.css
+++ /dev/null
@@ -1,21 +0,0 @@
-
-/**
- * Image upload widget.
- */
-.image-preview {
-  float: left; /* LTR */
-  padding: 0 10px 10px 0; /* LTR */
-}
-[dir="rtl"] .image-preview {
-  float: right;
-  padding: 0 0 10px 10px;
-}
-.image-widget-data {
-  float: left; /* LTR */
-}
-[dir="rtl"] .image-widget-data {
-  float: right;
-}
-.image-widget-data .text-field {
-  width: auto;
-}
diff --git a/core/modules/image/image.libraries.yml b/core/modules/image/image.libraries.yml
index fbf9ef4..e9061a4 100644
--- a/core/modules/image/image.libraries.yml
+++ b/core/modules/image/image.libraries.yml
@@ -1,9 +1,3 @@
-form:
-  version: VERSION
-  css:
-    theme:
-      css/image.theme.css: {}
-
 admin:
   version: VERSION
   css:
diff --git a/core/themes/classy/classy.libraries.yml b/core/themes/classy/classy.libraries.yml
index 116c86b..a3263a5 100644
--- a/core/themes/classy/classy.libraries.yml
+++ b/core/themes/classy/classy.libraries.yml
@@ -3,3 +3,9 @@ base:
   css:
     theme:
       css/layout.css: {}
+
+image-theme:
+  version: VERSION
+  css:
+    theme:
+      css/image.theme.css: {}
diff --git a/core/themes/classy/css/image/image.theme.css b/core/themes/classy/css/image/image.theme.css
new file mode 100644
index 0000000..3da51ef
--- /dev/null
+++ b/core/themes/classy/css/image/image.theme.css
@@ -0,0 +1,21 @@
+
+/**
+ * Image upload widget.
+ */
+.image-preview {
+  float: left; /* LTR */
+  padding: 0 10px 10px 0; /* LTR */
+}
+[dir="rtl"] .image-preview {
+  float: right;
+  padding: 0 0 10px 10px;
+}
+.image-widget-data {
+  float: left; /* LTR */
+}
+[dir="rtl"] .image-widget-data {
+  float: right;
+}
+.image-widget-data .text-field {
+  width: auto;
+}
diff --git a/core/themes/classy/templates/field/image.html.twig b/core/themes/classy/templates/field/image.html.twig
index 31f782b..a6a38b5 100644
--- a/core/themes/classy/templates/field/image.html.twig
+++ b/core/themes/classy/templates/field/image.html.twig
@@ -10,6 +10,7 @@
  * @see template_preprocess_image()
  */
 #}
+{{ attach_library('classy/image-theme') }}
 {%
 set classes = [
   style_name ? 'image-style-' ~ style_name|clean_class,