diff --git a/android/androidmk.go b/android/androidmk.go
index 42c5d00..b32048a 100644
--- a/android/androidmk.go
+++ b/android/androidmk.go
@@ -141,7 +141,7 @@
 }
 
 type AndroidMkExtraEntriesFunc func(entries *AndroidMkEntries)
-type AndroidMkExtraFootersFunc func(w io.Writer, name, prefix, moduleDir string, entries *AndroidMkEntries)
+type AndroidMkExtraFootersFunc func(w io.Writer, name, prefix, moduleDir string)
 
 // Utility funcs to manipulate Android.mk variable entries.
 
@@ -554,7 +554,7 @@
 	fmt.Fprintln(&a.footer, "include "+a.Include)
 	blueprintDir := filepath.Dir(bpPath)
 	for _, footerFunc := range a.ExtraFooters {
-		footerFunc(&a.footer, name, prefix, blueprintDir, a)
+		footerFunc(&a.footer, name, prefix, blueprintDir)
 	}
 }
 
diff --git a/android/makefile_goal.go b/android/makefile_goal.go
index b5d9d69..07354a6 100644
--- a/android/makefile_goal.go
+++ b/android/makefile_goal.go
@@ -80,7 +80,7 @@
 		Class:      "ETC",
 		OutputFile: OptionalPathForPath(p.outputFilePath),
 		ExtraFooters: []AndroidMkExtraFootersFunc{
-			func(w io.Writer, name, prefix, moduleDir string, entries *AndroidMkEntries) {
+			func(w io.Writer, name, prefix, moduleDir string) {
 				// Can't use Cp because inputPath() is not a valid Path.
 				fmt.Fprintf(w, "$(eval $(call copy-one-file,%s,%s))\n", proptools.String(p.inputPath()), p.outputFilePath)
 			},
diff --git a/cc/androidmk.go b/cc/androidmk.go
index 320e69b..9b61e55 100644
--- a/cc/androidmk.go
+++ b/cc/androidmk.go
@@ -130,7 +130,7 @@
 			},
 		},
 		ExtraFooters: []android.AndroidMkExtraFootersFunc{
-			func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+			func(w io.Writer, name, prefix, moduleDir string) {
 				if c.Properties.IsSdkVariant && c.Properties.SdkAndPlatformVariantVisibleToMake &&
 					c.CcLibraryInterface() && c.Shared() {
 					// Using the SDK variant as a JNI library needs a copy of the .so that
@@ -296,7 +296,7 @@
 func (object *objectLinker) AndroidMkEntries(ctx AndroidMkContext, entries *android.AndroidMkEntries) {
 	entries.Class = "STATIC_LIBRARIES"
 	entries.ExtraFooters = append(entries.ExtraFooters,
-		func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+		func(w io.Writer, name, prefix, moduleDir string) {
 			out := entries.OutputFile.Path()
 			varname := fmt.Sprintf("SOONG_%sOBJECT_%s%s", prefix, name, entries.SubName)
 
@@ -574,7 +574,7 @@
 	}
 
 	entries.ExtraFooters = append(entries.ExtraFooters,
-		func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+		func(w io.Writer, name, prefix, moduleDir string) {
 			out := entries.OutputFile.Path()
 			varname := fmt.Sprintf("SOONG_%sOBJECT_%s%s", prefix, name, entries.SubName)
 
diff --git a/java/androidmk.go b/java/androidmk.go
index fc573c8..aaad44f 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -274,7 +274,7 @@
 				},
 			},
 			ExtraFooters: []android.AndroidMkExtraFootersFunc{
-				func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+				func(w io.Writer, name, prefix, moduleDir string) {
 					fmt.Fprintln(w, "jar_installed_module := $(LOCAL_INSTALLED_MODULE)")
 				},
 			},
@@ -289,7 +289,7 @@
 				},
 			},
 			ExtraFooters: []android.AndroidMkExtraFootersFunc{
-				func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+				func(w io.Writer, name, prefix, moduleDir string) {
 					// Ensure that the wrapper script timestamp is always updated when the jar is updated
 					fmt.Fprintln(w, "$(LOCAL_INSTALLED_MODULE): $(jar_installed_module)")
 					fmt.Fprintln(w, "jar_installed_module :=")
@@ -393,7 +393,7 @@
 			},
 		},
 		ExtraFooters: []android.AndroidMkExtraFootersFunc{
-			func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+			func(w io.Writer, name, prefix, moduleDir string) {
 				if app.noticeOutputs.Merged.Valid() {
 					fmt.Fprintf(w, "$(call dist-for-goals,%s,%s:%s)\n",
 						app.installApkName, app.noticeOutputs.Merged.String(), app.installApkName+"_NOTICE")
@@ -548,7 +548,7 @@
 			},
 		},
 		ExtraFooters: []android.AndroidMkExtraFootersFunc{
-			func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+			func(w io.Writer, name, prefix, moduleDir string) {
 				if dstubs.apiFile != nil {
 					fmt.Fprintf(w, ".PHONY: %s %s.txt\n", dstubs.Name(), dstubs.Name())
 					fmt.Fprintf(w, "%s %s.txt: %s\n", dstubs.Name(), dstubs.Name(), dstubs.apiFile)
diff --git a/java/robolectric.go b/java/robolectric.go
index 419efda..c821e5b 100644
--- a/java/robolectric.go
+++ b/java/robolectric.go
@@ -260,7 +260,7 @@
 	entries := &entriesList[0]
 
 	entries.ExtraFooters = []android.AndroidMkExtraFootersFunc{
-		func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+		func(w io.Writer, name, prefix, moduleDir string) {
 			if s := r.robolectricProperties.Test_options.Shards; s != nil && *s > 1 {
 				numShards := int(*s)
 				shardSize := (len(r.tests) + numShards - 1) / numShards
diff --git a/sdk/sdk.go b/sdk/sdk.go
index 50b0886..f3d0750 100644
--- a/sdk/sdk.go
+++ b/sdk/sdk.go
@@ -311,7 +311,7 @@
 		DistFiles:  android.MakeDefaultDistFiles(s.snapshotFile.Path()),
 		Include:    "$(BUILD_PHONY_PACKAGE)",
 		ExtraFooters: []android.AndroidMkExtraFootersFunc{
-			func(w io.Writer, name, prefix, moduleDir string, entries *android.AndroidMkEntries) {
+			func(w io.Writer, name, prefix, moduleDir string) {
 				// Allow the sdk to be built by simply passing its name on the command line.
 				fmt.Fprintln(w, ".PHONY:", s.Name())
 				fmt.Fprintln(w, s.Name()+":", s.snapshotFile.String())