diff --git a/Makefile.am b/Makefile.am
index fad6c7d..c8e030f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,7 +5,6 @@ AM_CFLAGS = \
 	-pedantic \
 	-Wall \
 	-Wextra \
-	-Wno-gnu-variable-sized-type-not-at-end \
 	-I$(top_srcdir)/include
 
 lib_LIBRARIES = libkernaux.a