diff --git a/include/kernaux/multiboot2.h b/include/kernaux/multiboot2.h
index 5eb4a8b..b9c1b4b 100644
--- a/include/kernaux/multiboot2.h
+++ b/include/kernaux/multiboot2.h
@@ -236,8 +236,6 @@ struct KernAux_Multiboot2_Tag_EFIMemoryMap {
 
     unsigned descriptor_size    : 32;
     unsigned descriptor_version : 32;
-
-    unsigned char data[];
 }
 __attribute__((packed));