diff --git a/tools/aapt/Android.mk b/tools/aapt/Android.mk
index 04f46d9..0a515db 100644
--- a/tools/aapt/Android.mk
+++ b/tools/aapt/Android.mk
@@ -62,20 +62,12 @@
     libcutils \
     libexpat \
     libziparchive \
-    libbase
+    libbase \
+    libz
 
 aaptCFlags := -DAAPT_VERSION=\"$(BUILD_NUMBER_FROM_FILE)\"
 aaptCFlags += -Wall -Werror
 
-aaptHostLdLibs_linux := -lrt -ldl -lpthread
-
-# Statically link libz for MinGW (Win SDK under Linux),
-# and dynamically link for all others.
-aaptHostStaticLibs_windows := libz
-aaptHostLdLibs_linux += -lz
-aaptHostLdLibs_darwin := -lz
-
-
 # ==========================================================
 # Build the host static library: libaapt
 # ==========================================================
@@ -88,7 +80,6 @@
 LOCAL_CFLAGS_darwin := -D_DARWIN_UNLIMITED_STREAMS
 LOCAL_SRC_FILES := $(aaptSources)
 LOCAL_STATIC_LIBRARIES := $(aaptHostStaticLibs)
-LOCAL_STATIC_LIBRARIES_windows := $(aaptHostStaticLibs_windows)
 
 include $(BUILD_HOST_STATIC_LIBRARY)
 
@@ -101,11 +92,8 @@
 LOCAL_MODULE_HOST_OS := darwin linux windows
 LOCAL_CFLAGS := $(aaptCFlags)
 LOCAL_CPPFLAGS := $(aaptCppFlags)
-LOCAL_LDLIBS_darwin := $(aaptHostLdLibs_darwin)
-LOCAL_LDLIBS_linux := $(aaptHostLdLibs_linux)
 LOCAL_SRC_FILES := $(aaptMain)
 LOCAL_STATIC_LIBRARIES := libaapt $(aaptHostStaticLibs)
-LOCAL_STATIC_LIBRARIES_windows := $(aaptHostStaticLibs_windows)
 
 include $(BUILD_HOST_EXECUTABLE)
 
@@ -118,12 +106,9 @@
 LOCAL_MODULE := libaapt_tests
 LOCAL_CFLAGS := $(aaptCFlags)
 LOCAL_CPPFLAGS := $(aaptCppFlags)
-LOCAL_LDLIBS_darwin := $(aaptHostLdLibs_darwin)
-LOCAL_LDLIBS_linux := $(aaptHostLdLibs_linux)
 LOCAL_SRC_FILES := $(aaptTests)
 LOCAL_C_INCLUDES := $(LOCAL_PATH)
 LOCAL_STATIC_LIBRARIES := libaapt $(aaptHostStaticLibs)
-LOCAL_STATIC_LIBRARIES_windows := $(aaptHostStaticLibs_windows)
 
 include $(BUILD_HOST_NATIVE_TEST)
 
diff --git a/tools/aapt2/Android.bp b/tools/aapt2/Android.bp
index eff8283..14333b1 100644
--- a/tools/aapt2/Android.bp
+++ b/tools/aapt2/Android.bp
@@ -39,14 +39,9 @@
         windows: {
             enabled: true,
             cflags: ["-Wno-maybe-uninitialized"],
-            static_libs: ["libz"],
         },
         darwin: {
             cflags: ["-D_DARWIN_UNLIMITED_STREAMS"],
-            host_ldlibs: ["-lz"],
-        },
-        linux: {
-            host_ldlibs: ["-lz"],
         },
     },
     static_libs: [
@@ -59,6 +54,7 @@
         "libpng",
         "libbase",
         "libprotobuf-cpp-lite",
+        "libz",
     ],
     group_static_libs: true,
 }
diff --git a/tools/split-select/Android.mk b/tools/split-select/Android.mk
index 4a1511e..a21383e 100644
--- a/tools/split-select/Android.mk
+++ b/tools/split-select/Android.mk
@@ -40,7 +40,6 @@
     TestRules.cpp
 
 cIncludes := \
-    external/zlib \
     frameworks/base/tools
 
 hostStaticLibs := \
@@ -52,18 +51,11 @@
     libcutils \
     libexpat \
     libziparchive \
-    libbase
+    libbase \
+    libz
 
 cFlags := -Wall -Werror
 
-hostLdLibs_linux := -lrt -ldl -lpthread
-
-# Statically link libz for MinGW (Win SDK under Linux),
-# and dynamically link for all others.
-hostStaticLibs_windows := libz
-hostLdLibs_darwin := -lz
-hostLdLibs_linux += -lz
-
 
 # ==========================================================
 # Build the host static library: libsplit-select
@@ -91,9 +83,6 @@
 
 LOCAL_C_INCLUDES := $(cIncludes)
 LOCAL_STATIC_LIBRARIES := libsplit-select $(hostStaticLibs)
-LOCAL_STATIC_LIBRARIES_windows := $(hostStaticLibs_windows)
-LOCAL_LDLIBS_darwin := $(hostLdLibs_darwin)
-LOCAL_LDLIBS_linux := $(hostLdLibs_linux)
 LOCAL_CFLAGS := $(cFlags)
 
 include $(BUILD_HOST_NATIVE_TEST)
@@ -109,9 +98,6 @@
 
 LOCAL_C_INCLUDES := $(cIncludes)
 LOCAL_STATIC_LIBRARIES := libsplit-select $(hostStaticLibs)
-LOCAL_STATIC_LIBRARIES_windows := $(hostStaticLibs_windows)
-LOCAL_LDLIBS_darwin := $(hostLdLibs_darwin)
-LOCAL_LDLIBS_linux := $(hostLdLibs_linux)
 LOCAL_CFLAGS := $(cFlags)
 
 include $(BUILD_HOST_EXECUTABLE)