diff --git a/adb/Android.mk b/adb/Android.mk
index 62f012c..51e1664 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -138,8 +138,6 @@
 ifneq ($(SDK_ONLY),true)
 include $(CLEAR_VARS)
 
-LOCAL_LDLIBS := -lrt -ldl -lpthread
-
 LOCAL_SRC_FILES := \
 	adb.c \
 	console.c \
diff --git a/libbacktrace/Android.mk b/libbacktrace/Android.mk
index a7305da..7fe52ef 100755
--- a/libbacktrace/Android.mk
+++ b/libbacktrace/Android.mk
@@ -105,10 +105,8 @@
 	GetPss.cpp \
 	thread_utils.c \
 
-backtrace_test_ldlibs := \
-	-lpthread \
-
 backtrace_test_ldlibs_host := \
+	-lpthread \
 	-lrt \
 
 backtrace_test_shared_libraries := \
diff --git a/libcutils/Android.mk b/libcutils/Android.mk
index 2dcc965..945ebdd 100644
--- a/libcutils/Android.mk
+++ b/libcutils/Android.mk
@@ -75,7 +75,6 @@
 # ========================================================
 LOCAL_MODULE := libcutils
 LOCAL_SRC_FILES := $(commonSources) $(commonHostSources) dlmalloc_stubs.c
-LOCAL_LDLIBS := -lpthread
 LOCAL_STATIC_LIBRARIES := liblog
 LOCAL_CFLAGS += $(hostSmpFlag)
 ifneq ($(HOST_OS),windows)
@@ -89,7 +88,6 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := lib64cutils
 LOCAL_SRC_FILES := $(commonSources) $(commonHostSources) dlmalloc_stubs.c
-LOCAL_LDLIBS := -lpthread
 LOCAL_STATIC_LIBRARIES := lib64log
 LOCAL_CFLAGS += $(hostSmpFlag) -m64
 ifneq ($(HOST_OS),windows)
diff --git a/liblog/Android.mk b/liblog/Android.mk
index 5e01903..41440ad 100644
--- a/liblog/Android.mk
+++ b/liblog/Android.mk
@@ -57,10 +57,6 @@
 # ========================================================
 LOCAL_MODULE := liblog
 LOCAL_SRC_FILES := $(liblog_host_sources)
-LOCAL_LDLIBS := -lpthread
-ifeq ($(strip $(HOST_OS)),linux)
-LOCAL_LDLIBS += -lrt
-endif
 LOCAL_CFLAGS := -DFAKE_LOG_DEVICE=1
 include $(BUILD_HOST_STATIC_LIBRARY)
 
@@ -78,10 +74,6 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := lib64log
 LOCAL_SRC_FILES := $(liblog_host_sources)
-LOCAL_LDLIBS := -lpthread
-ifeq ($(strip $(HOST_OS)),linux)
-LOCAL_LDLIBS += -lrt
-endif
 LOCAL_CFLAGS := -DFAKE_LOG_DEVICE=1 -m64
 include $(BUILD_HOST_STATIC_LIBRARY)
 
diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
index d1d9115..255dc2e 100644
--- a/liblog/tests/Android.mk
+++ b/liblog/tests/Android.mk
@@ -83,7 +83,6 @@
 LOCAL_MODULE_TAGS := $(test_tags)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_CFLAGS += $(test_c_flags)
-LOCAL_LDLIBS := -lpthread
 LOCAL_SHARED_LIBRARIES := liblog
 LOCAL_SRC_FILES := $(test_src_files)
 include $(BUILD_NATIVE_TEST)
diff --git a/libutils/Android.mk b/libutils/Android.mk
index 1710d36..1c48619 100644
--- a/libutils/Android.mk
+++ b/libutils/Android.mk
@@ -69,7 +69,6 @@
 LOCAL_MODULE:= libutils
 LOCAL_STATIC_LIBRARIES := liblog
 LOCAL_CFLAGS += $(host_commonCflags)
-LOCAL_LDLIBS += $(host_commonLdlibs)
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 
@@ -83,7 +82,6 @@
 LOCAL_MODULE:= lib64utils
 LOCAL_STATIC_LIBRARIES := liblog
 LOCAL_CFLAGS += $(host_commonCflags) -m64
-LOCAL_LDLIBS += $(host_commonLdlibs)
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 
@@ -98,10 +96,6 @@
 	Looper.cpp \
 	Trace.cpp
 
-ifeq ($(TARGET_OS),linux)
-LOCAL_LDLIBS += -lrt -ldl
-endif
-
 ifeq ($(TARGET_ARCH),mips)
 LOCAL_CFLAGS += -DALIGN_DOUBLE
 endif
@@ -110,8 +104,6 @@
 		bionic/libc/private \
 		external/zlib
 
-LOCAL_LDLIBS += -lpthread
-
 LOCAL_STATIC_LIBRARIES := \
 	libcutils
 
diff --git a/logcat/tests/Android.mk b/logcat/tests/Android.mk
index d42b3d0..5d4d29e 100644
--- a/logcat/tests/Android.mk
+++ b/logcat/tests/Android.mk
@@ -40,7 +40,6 @@
 LOCAL_MODULE_TAGS := $(test_tags)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 LOCAL_CFLAGS += $(test_c_flags)
-LOCAL_LDLIBS := -lpthread
 LOCAL_SHARED_LIBRARIES := liblog
 LOCAL_SRC_FILES := $(test_src_files)
 include $(BUILD_NATIVE_TEST)