diff --git a/media-libs/jpeg-xl/jpeg-xl-9999.ebuild b/media-libs/jpeg-xl/jpeg-xl-9999.ebuild
index fc5a029637..be107c6d80 100644
--- a/media-libs/jpeg-xl/jpeg-xl-9999.ebuild
+++ b/media-libs/jpeg-xl/jpeg-xl-9999.ebuild
@@ -3,7 +3,7 @@
 
 EAPI="7"
 
-inherit cmake git-r3
+inherit xdg cmake git-r3
 
 DESCRIPTION="JPEG XL Reference Software"
 HOMEPAGE="https://gitlab.com/wg1/jpeg-xl/"
@@ -48,11 +48,3 @@ src_configure() {
 
 	cmake_src_configure
 }
-
-pkg_postinst() {
-	xdg_mimeinfo_database_update
-}
-
-pkg_postrm() {
-	xdg_mimeinfo_database_update
-}