diff --git a/libfat/Makefile b/libfat/Makefile
index f3e33a7..8281c51 100644
--- a/libfat/Makefile
+++ b/libfat/Makefile
@@ -5,7 +5,7 @@ $(eval $(call add_include,libstring))
 
 cflags += -D"FAT_PRINTF(a)"
 
-DOCS_COLLECT = $(git ls-files '*.c' '*.h' ':!_fat.*' ':!_fatctx.h')
+DOCS_COLLECT = $$(git ls-files '*.c' '*.h' ':!_fat.*' ':!_fatctx.h')
 
 libname := libfat
 
diff --git a/libmalloc/_malloc_port.c b/libmalloc/_malloc_port.c
index 016617b..8a5750c 100644
--- a/libmalloc/_malloc_port.c
+++ b/libmalloc/_malloc_port.c
@@ -52,8 +52,6 @@ static int _acquire_lock (MLOCK_T* lock) { return mutex_lock (*lock); }
 
 static int _release_lock (MLOCK_T* lock) { return mutex_unlock (*lock); }
 
-static int _try_lock (MLOCK_T* lock) { return mutex_try (*lock); }
-
 #define INITIAL_LOCK(lk) _init_lock ((lk))
 
 #define DESTROY_LOCK(lk) _fini_lock ((lk))
diff --git a/make/lib.mk b/make/lib.mk
index fac954d..13b4006 100644
--- a/make/lib.mk
+++ b/make/lib.mk
@@ -15,7 +15,9 @@ DOCS_COLLECT ?= $$(git ls-files '*.c' '*.h')
 DOCS ?= \
 	rm -rf docs; \
 	clang-doc --format=md --output docs -p . $(DOCS_COLLECT); \
-	for f in ./docs/GlobalNamespace/*.md; do sed -i '/^\# Global Namespace/d' "$$f"; done; \
+	for f in ./docs/GlobalNamespace/*.md; \
+		do sed -i '/^\# Global Namespace/d' "$$f"; \
+	done; \
 	rm -rf ../docs/libs/$(libname); \
 	mkdir -p ../docs/libs/$(libname); \
 	cp ./docs/GlobalNamespace/*.md ../docs/libs/$(libname);