diff --git a/undefined_syms.txt b/undefined_syms.txt
index 24cf37f7be..bcc4fccb92 100644
--- a/undefined_syms.txt
+++ b/undefined_syms.txt
@@ -2353,10 +2353,6 @@ D_06002570 = 0x06002570;
 D_06002760 = 0x06002760;
 D_060027D8 = 0x060027D8;
 
-// z_eff_dust
-D_04037880 = 0x04037880;
-D_8099EB60 = 0x8099EB60;
-
 // z_en_am
 D_06000118 = 0x06000118;
 D_06000238 = 0x06000238;