diff --git a/tools/hv/Makefile b/tools/hv/Makefile
index a8c4644..0d1e61b 100644
--- a/tools/hv/Makefile
+++ b/tools/hv/Makefile
@@ -1,9 +1,8 @@
 # Makefile for Hyper-V tools
 
 CC = $(CROSS_COMPILE)gcc
-PTHREAD_LIBS = -lpthread
 WARNINGS = -Wall -Wextra
-CFLAGS = $(WARNINGS) -g $(PTHREAD_LIBS) $(shell getconf LFS_CFLAGS)
+CFLAGS = $(WARNINGS) -g $(shell getconf LFS_CFLAGS)
 
 CFLAGS += -D__EXPORTED_HEADERS__ -I../../include/uapi -I../../include