diff --git a/lib/std/Target.zig b/lib/std/Target.zig
index 9b269a87d83c66d4ae4662a1a5ffbe0050fbdd0d..8b9683dca69c40c2c2799a31f1c1bb7c4c047e2e 100644
--- a/lib/std/Target.zig
+++ b/lib/std/Target.zig
@@ -3302,6 +3302,7 @@ pub fn cTypeBitSize(target: *const Target, c_type: CType) ?u16 {
         },
 
         .fuchsia,
+        .managarm,
 
         .haiku,
         .hurd,
@@ -3514,9 +3515,6 @@ pub fn cTypeBitSize(target: *const Target, c_type: CType) ?u16 {
         },
 
         .opengl => null,
-
-        .managarm,
-        => @panic("specify the C integer and float type sizes for this OS"),
     };
 }