diff --git a/modus-themes.el b/modus-themes.el
index a402c8e..4a5ac48 100644
--- a/modus-themes.el
+++ b/modus-themes.el
@@ -5417,18 +5417,18 @@ If COLOR is unspecified, then return :box unspecified."
     `(flycheck-indicator-success ((,c :foreground ,info)))
     `(flycheck-indicator-warning ((,c :foreground ,warning)))
 ;;;;; flymake
-    `(flymake-end-of-line-diagnostics-face ((,c :inherit modus-themes-slant :height 0.85 :box ,border)))
+    `(flymake-end-of-line-diagnostics-face ((,c :inherit modus-themes-slant :underline ,border)))
     `(flymake-error ((,c :underline (:style wave :color ,underline-err))))
     `(flymake-error-echo ((,c :foreground ,err)))
-    `(flymake-error-echo-at-eol ((,c :inherit modus-themes-slant :foreground ,err :height 0.85 :box ,border)))
+    `(flymake-error-echo-at-eol ((,c :inherit modus-themes-slant :foreground ,err :underline ,border)))
     `(flymake-error-fringe ((,c :background ,bg-prominent-err :foreground ,fg-prominent-err)))
     `(flymake-note ((,c :underline (:style wave :color ,underline-note))))
     `(flymake-note-echo ((,c :foreground ,info)))
-    `(flymake-note-echo-at-eol ((,c :inherit modus-themes-slant :foreground ,info :height 0.85 :box ,border)))
+    `(flymake-note-echo-at-eol ((,c :inherit modus-themes-slant :foreground ,info :underline ,border)))
     `(flymake-note-fringe ((,c :background ,bg-prominent-note :foreground ,fg-prominent-note)))
     `(flymake-warning ((,c :underline (:style wave :color ,underline-warning))))
     `(flymake-warning-echo ((,c :foreground ,warning)))
-    `(flymake-warning-echo-at-eol ((,c :inherit modus-themes-slant :foreground ,warning :height 0.85 :box ,border)))
+    `(flymake-warning-echo-at-eol ((,c :inherit modus-themes-slant :foreground ,warning :height 0.9 :underline ,border)))
     `(flymake-warning-fringe ((,c :background ,bg-prominent-warning :foreground ,fg-prominent-warning)))
 ;;;;; flyspell
     `(flyspell-duplicate ((,c :underline (:style wave :color ,underline-warning))))