diff --git a/data/themes/irssi.py b/data/themes/irssi.py
index 95ba3d62..79624c54 100644
--- a/data/themes/irssi.py
+++ b/data/themes/irssi.py
@@ -11,6 +11,14 @@ class IrssiTheme(poezio.theming.Theme):
     COLOR_HIGHLIGHT_NICK = (11, -1, 'b')
     COLOR_ME_MESSAGE = (15, -1)
 
+    def __init__(self):
+        super().__init__()
+        self.LIST_COLOR_NICKNAMES = self.LIST_COLOR_NICKNAMES[:]
+        self.LIST_COLOR_NICKNAMES.remove((19, -1))
+        self.LIST_COLOR_NICKNAMES.remove((20, -1))
+        self.LIST_COLOR_NICKNAMES.remove((226, -1))
+        self.LIST_COLOR_NICKNAMES.remove((227, -1))
+
 theme = IrssiTheme()