diff --git a/chrome/content/zotero-platform/unix/overlay.css b/chrome/content/zotero-platform/unix/overlay.css
index 0d574fcde6..d018c11e54 100644
--- a/chrome/content/zotero-platform/unix/overlay.css
+++ b/chrome/content/zotero-platform/unix/overlay.css
@@ -179,6 +179,11 @@ toolbar:not([id="nav-bar"]) #zotero-toolbar-buttons separator {
 	}
 }
 
+/* Dropmarker added automatically on Linux */
+.toolbarbutton-menu-dropmarker, #zotero-tb-search-menu-button {
+	list-style-image: none;
+}
+
 .zotero-tb-button:not([type=menu]) {
 	margin-right: 4px;
 }
diff --git a/chrome/content/zotero-platform/unix/tagselector.css b/chrome/content/zotero-platform/unix/tagselector.css
index e69de29bb2..6a2ee783e9 100644
--- a/chrome/content/zotero-platform/unix/tagselector.css
+++ b/chrome/content/zotero-platform/unix/tagselector.css
@@ -0,0 +1,3 @@
+#view-settings-menu .toolbarbutton-icon {
+	margin-right: 0; /* dropmarker spacing handled automatically on Linux */
+}
\ No newline at end of file