diff --git a/debugging/glow-extras/debugging/imgui-util.cc b/debugging/glow-extras/debugging/imgui-util.cc
index 883ccea4b3b2fd9bb4ce693d92c7a15728c900e0..9b1eec8cdb48bf392aed906dfc0408e0a75a2ffb 100644
--- a/debugging/glow-extras/debugging/imgui-util.cc
+++ b/debugging/glow-extras/debugging/imgui-util.cc
@@ -133,7 +133,6 @@ void glow::debugging::applyGlowImguiTheme(bool darkMode)
     style.GrabRounding = 3;
 
 #ifdef IMGUI_HAS_DOCK
-    style.TabBorderSize = is3D;
     style.TabRounding = 3;
 
     colors[ImGuiCol_DockingEmptyBg] = ImVec4(0.38f, 0.38f, 0.38f, 1.00f);