diff --git a/core/src/main/resources/com/linecorp/armeria/public_suffixes.txt b/core/src/main/resources/com/linecorp/armeria/public_suffixes.txt
index c8c72ba2edc..cb3ab595317 100644
--- a/core/src/main/resources/com/linecorp/armeria/public_suffixes.txt
+++ b/core/src/main/resources/com/linecorp/armeria/public_suffixes.txt
@@ -3149,7 +3149,6 @@ gov.cl
 gov.cm
 gov.cn
 gov.co
-gov.cu
 gov.cx
 gov.cy
 gov.dm