diff --git a/core/config.mk b/core/config.mk
index 3289a89..0e38dbe 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -204,6 +204,11 @@
 JAVA_TMPDIR_ARG :=
 endif
 
+# A list of the jars that provide information about usages of the hidden API.
+# The core-oj-hiddenapi provides information for the core-oj jar.
+HIDDENAPI_EXTRA_APP_USAGE_JARS := \
+    core-oj-hiddenapi \
+
 # Default to remove the org.apache.http.legacy from bootclasspath
 ifeq ($(REMOVE_OAHL_FROM_BCP),)
 REMOVE_OAHL_FROM_BCP := true
diff --git a/core/soong_java_prebuilt.mk b/core/soong_java_prebuilt.mk
index 288a763..01af19f 100644
--- a/core/soong_java_prebuilt.mk
+++ b/core/soong_java_prebuilt.mk
@@ -120,6 +120,15 @@
 
     java-dex : $(LOCAL_BUILT_MODULE)
   else  # LOCAL_UNINSTALLABLE_MODULE
+
+    ifneq ($(filter $(LOCAL_MODULE),$(HIDDENAPI_EXTRA_APP_USAGE_JARS)),)
+      # Derive greylist from classes.jar.
+      # We use full_classes_jar here, which is the post-proguard jar (on the basis that we also
+      # have a full_classes_pre_proguard_jar). This is consistent with the equivalent code in
+      # java.mk.
+      $(eval $(call hiddenapi-generate-greylist-txt,$(full_classes_jar),$(hiddenapi_whitelist_txt),$(hiddenapi_greylist_txt),$(hiddenapi_darkgreylist_txt),$(hiddenapi_greylist_metadata_csv)))
+    endif
+
     $(eval $(call copy-one-file,$(full_classes_jar),$(LOCAL_BUILT_MODULE)))
     $(eval $(call copy-one-file,$(LOCAL_SOONG_DEX_JAR),$(common_javalib.jar)))
     java-dex : $(common_javalib.jar)