diff --git a/meson.build b/meson.build
index 89320adbde1f..39e4947f8c97 100644
--- a/meson.build
+++ b/meson.build
@@ -178,15 +178,6 @@ if cc.has_argument('-Wno-c99-designator')
     ]
 endif
 
-# Enable the C++20 deprecated enum-enum conversion warning if the compiler
-# supports it. This helps avoiding C++20 regressions, and should be removed
-# when switching to C++20 as the warning will then be enabled by default.
-if cxx.has_argument('-Wdeprecated-enum-enum-conversion')
-    cpp_arguments += [
-        '-Wdeprecated-enum-enum-conversion',
-    ]
-endif
-
 c_arguments += common_arguments
 cpp_arguments += common_arguments