diff --git a/target/product/sdk_phone_arm64.mk b/target/product/sdk_phone_arm64.mk
index 4203d45..3f81615 100644
--- a/target/product/sdk_phone_arm64.mk
+++ b/target/product/sdk_phone_arm64.mk
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-QEMU_USE_SYSTEM_EXT_PARTITIONS := true
 PRODUCT_USE_DYNAMIC_PARTITIONS := true
 
 # This is a build configuration for a full-featured build of the
diff --git a/target/product/sdk_phone_armv7.mk b/target/product/sdk_phone_armv7.mk
index 888505b..48a0e3b 100644
--- a/target/product/sdk_phone_armv7.mk
+++ b/target/product/sdk_phone_armv7.mk
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-QEMU_USE_SYSTEM_EXT_PARTITIONS := true
 PRODUCT_USE_DYNAMIC_PARTITIONS := true
 
 # This is a build configuration for a full-featured build of the
diff --git a/target/product/sdk_phone_x86.mk b/target/product/sdk_phone_x86.mk
index a324e5f..0f8b508 100644
--- a/target/product/sdk_phone_x86.mk
+++ b/target/product/sdk_phone_x86.mk
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-QEMU_USE_SYSTEM_EXT_PARTITIONS := true
 PRODUCT_USE_DYNAMIC_PARTITIONS := true
 
 # This is a build configuration for a full-featured build of the
diff --git a/target/product/sdk_phone_x86_64.mk b/target/product/sdk_phone_x86_64.mk
index ff9018d..f5d9028 100644
--- a/target/product/sdk_phone_x86_64.mk
+++ b/target/product/sdk_phone_x86_64.mk
@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-QEMU_USE_SYSTEM_EXT_PARTITIONS := true
 PRODUCT_USE_DYNAMIC_PARTITIONS := true
 
 # This is a build configuration for a full-featured build of the