diff --git a/target/product/mainline_system.mk b/target/product/mainline_system.mk
index 862a341..947cd20 100644
--- a/target/product/mainline_system.mk
+++ b/target/product/mainline_system.mk
@@ -59,6 +59,24 @@
 # For ringtones that rely on forward lock encryption
 PRODUCT_PACKAGES += libfwdlockengine
 
+# System libraries commonly depended on by things on the product partition.
+# This list will be pruned periodically.
+PRODUCT_PACKAGES += \
+    android.hardware.radio@1.0 \
+    android.hardware.radio@1.1 \
+    android.hardware.radio@1.2 \
+    android.hardware.radio.config@1.0 \
+    android.hardware.radio.deprecated@1.0 \
+    android.hardware.secure_element@1.0 \
+    android.hardware.tests.libhwbinder@1.0-impl \
+    android.hidl.base@1.0 \
+    libaudio-resampler \
+    liblogwrap \
+    liblz4 \
+    libminui \
+    libprotobuf-cpp-full \
+    libprotobuf-cpp-full-rtti \
+
 PRODUCT_PACKAGES_DEBUG += \
     avbctl \
     bootctl \