diff --git a/mk/build.mk b/mk/build.mk
index b109adb..15a7914 100644
--- a/mk/build.mk
+++ b/mk/build.mk
@@ -38,14 +38,8 @@ CPPFLAGS += -DPB_ENABLE_MALLOC
 $(eval $(call addComponentWithRules,external/nanopb,$(NANOPB_SOURCES)))
 
 TINYCBOR_SOURCES := \
-	cborerrorstrings.c \
 	cborencoder.c \
-	cborencoder_close_container_checked.c \
-	cborparser.c \
-	cborparser_dup_string.c \
-	cborpretty.c \
-	cborpretty_stdio.c \
-	cbortojson.c
+	cborparser.c
 
 $(eval $(call addComponentWithRules,external/tinycbor/src,$(TINYCBOR_SOURCES)))
 $(eval $(call addComponentWithRules,external/util/src))
diff --git a/test/aap2sendfile/main.c b/test/aap2sendfile/main.c
index cf4884b..b171b16 100644
--- a/test/aap2sendfile/main.c
+++ b/test/aap2sendfile/main.c
@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: BSD-3-Clause OR Apache-2.0
+#define _POSIX_C_SOURCE 200809L
+
 #include "aap2/aap2_client.h"
 
-#define _POSIX_C_SOURCE 200809L
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>