diff --git a/packages/application-extension/style/base.css b/packages/application-extension/style/base.css
index 1c814d5cd..20233875b 100644
--- a/packages/application-extension/style/base.css
+++ b/packages/application-extension/style/base.css
@@ -9,11 +9,6 @@
   flex-shrink: 1;
 }
 
-/* TODO: move to edit-extension */
-.jp-Document {
-  height: 100%;
-}
-
 .jp-MainAreaWidget {
   height: 100%;
 }
diff --git a/packages/docmanager-extension/style/base.css b/packages/docmanager-extension/style/base.css
index e69de29bb..2c9c509f0 100644
--- a/packages/docmanager-extension/style/base.css
+++ b/packages/docmanager-extension/style/base.css
@@ -0,0 +1,3 @@
+.jp-Document {
+  height: 100%;
+}