diff --git a/.gitignore b/.gitignore
index ea574d747..a136ea394 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,6 +29,7 @@ dictionary
 NUL
 
 # Build artefacts
+contrib/linux-kernel/linux/
 projects/
 bin/
 .buckd/
diff --git a/contrib/linux-kernel/linux.mk b/contrib/linux-kernel/linux.mk
index 65218ec5b..9df9c9c6d 100644
--- a/contrib/linux-kernel/linux.mk
+++ b/contrib/linux-kernel/linux.mk
@@ -12,6 +12,7 @@ obj-$(CONFIG_ZSTD_COMPRESS) += zstd_compress.o
 obj-$(CONFIG_ZSTD_DECOMPRESS) += zstd_decompress.o
 
 ccflags-y += -O3
+ccflags-y += -Wno-error=deprecated-declarations
 
 zstd_compress-y := \
 		zstd_compress_module.o \
@@ -41,6 +42,7 @@ zstd_decompress-y := \
 		common/fse_decompress.o \
 		common/zstd_common.o \
 		decompress/huf_decompress.o \
+		decompress/huf_decompress_amd64.o \
 		decompress/zstd_ddict.o \
 		decompress/zstd_decompress.o \
 		decompress/zstd_decompress_block.o \