diff --git a/nix/overlays/iosevka/privateBuildPlan.nix b/nix/overlays/iosevka/privateBuildPlan.nix
index a9d727a3..d4677f26 100644
--- a/nix/overlays/iosevka/privateBuildPlan.nix
+++ b/nix/overlays/iosevka/privateBuildPlan.nix
@@ -26,12 +26,12 @@
   };
 
   weights = {
-    # TODO: This is a workaround for iosevka being too thin at small sizes.
-    # This should be possible to do with fontconfig
-    # Build 580, but indicate 400 in output
-    Regular.shape = 580;
+    Regular.shape = 400;
     Regular.menu = 400;
     Regular.css = 400;
+    Medium.shape = 500;
+    Medium.menu = 500;
+    Medium.css = 500;
     Bold.shape = 700;
     Bold.menu = 700;
     Bold.css = 700;
@@ -41,9 +41,6 @@
     Normal.shape = 500;
     Normal.menu = 5;
     Normal.css = "normal";
-    Extended.shape = 600;
-    Extended.menu = 7;
-    Extended.css = "expanded";
   };
 
   slopes = {