diff --git a/java/builder.go b/java/builder.go
index df17f7b..7aac881 100644
--- a/java/builder.go
+++ b/java/builder.go
@@ -47,7 +47,8 @@
 				`$processorpath $processor $javacFlags $bootClasspath $classpath ` +
 				`-source $javaVersion -target $javaVersion ` +
 				`-d $outDir -s $annoDir @$out.rsp @$srcJarDir/list ; fi ) && ` +
-				`${config.SoongZipCmd} -jar -o $out -C $outDir -D $outDir`,
+				`${config.SoongZipCmd} -jar -o $out -C $outDir -D $outDir && ` +
+				`rm -rf "$srcJarDir"`,
 			CommandDeps: []string{
 				"${config.JavacCmd}",
 				"${config.SoongZipCmd}",
diff --git a/java/droiddoc.go b/java/droiddoc.go
index ef91009..01e2989 100644
--- a/java/droiddoc.go
+++ b/java/droiddoc.go
@@ -34,7 +34,9 @@
 				`$opts $bootclasspathArgs $classpathArgs $sourcepathArgs ` +
 				`-d $outDir -quiet  && ` +
 				`${config.SoongZipCmd} -write_if_changed -d -o $docZip -C $outDir -D $outDir && ` +
-				`${config.SoongZipCmd} -write_if_changed -jar -o $out -C $stubsDir -D $stubsDir $postDoclavaCmds`,
+				`${config.SoongZipCmd} -write_if_changed -jar -o $out -C $stubsDir -D $stubsDir $postDoclavaCmds && ` +
+				`rm -rf "$srcJarDir"`,
+
 			CommandDeps: []string{
 				"${config.ZipSyncCmd}",
 				"${config.JavadocCmd}",
@@ -74,7 +76,8 @@
 				`${config.JavaCmd} -jar ${config.MetalavaJar} -encoding UTF-8 -source $javaVersion @$out.rsp @$srcJarDir/list ` +
 				`$bootclasspathArgs $classpathArgs $sourcepathArgs --no-banner --color --quiet --format=v2 ` +
 				`$opts && ` +
-				`${config.SoongZipCmd} -write_if_changed -jar -o $out -C $stubsDir -D $stubsDir`,
+				`${config.SoongZipCmd} -write_if_changed -jar -o $out -C $stubsDir -D $stubsDir && ` +
+				`rm -rf "$srcJarDir"`,
 			CommandDeps: []string{
 				"${config.ZipSyncCmd}",
 				"${config.JavaCmd}",
@@ -94,7 +97,7 @@
 				`${config.ZipSyncCmd} -d $srcJarDir -l $srcJarDir/list -f "*.java" $srcJars && ` +
 				`${config.JavaCmd} -jar ${config.MetalavaJar} -encoding UTF-8 -source $javaVersion @$out.rsp @$srcJarDir/list ` +
 				`$bootclasspathArgs $classpathArgs $sourcepathArgs --no-banner --color --quiet --format=v2 ` +
-				`$opts && touch $out ) || ` +
+				`$opts && touch $out && rm -rf "$srcJarDir") || ` +
 				`( echo -e "$msg" ; exit 38 )`,
 			CommandDeps: []string{
 				"${config.ZipSyncCmd}",
@@ -120,7 +123,8 @@
 				`${config.JavaCmd} -jar ${config.DokkaJar} $srcJarDir ` +
 				`$classpathArgs -format dac -dacRoot /reference/kotlin -output $outDir $opts && ` +
 				`${config.SoongZipCmd} -write_if_changed -d -o $docZip -C $outDir -D $outDir && ` +
-				`${config.SoongZipCmd} -write_if_changed -jar -o $out -C $stubsDir -D $stubsDir`,
+				`${config.SoongZipCmd} -write_if_changed -jar -o $out -C $stubsDir -D $stubsDir && ` +
+				`rm -rf "$srcJarDir"`,
 			CommandDeps: []string{
 				"${config.ZipSyncCmd}",
 				"${config.DokkaJar}",
diff --git a/java/kotlin.go b/java/kotlin.go
index 9c47f98..81b89f9 100644
--- a/java/kotlin.go
+++ b/java/kotlin.go
@@ -32,7 +32,8 @@
 			`${config.GenKotlinBuildFileCmd} $classpath $classesDir $out.rsp $srcJarDir/list > $kotlinBuildFile &&` +
 			`${config.KotlincCmd} ${config.JavacHeapFlags} $kotlincFlags ` +
 			`-jvm-target $kotlinJvmTarget -Xbuild-file=$kotlinBuildFile && ` +
-			`${config.SoongZipCmd} -jar -o $out -C $classesDir -D $classesDir`,
+			`${config.SoongZipCmd} -jar -o $out -C $classesDir -D $classesDir && ` +
+			`rm -rf "$srcJarDir"`,
 		CommandDeps: []string{
 			"${config.KotlincCmd}",
 			"${config.KotlinCompilerJar}",
@@ -89,7 +90,8 @@
 			`$kaptProcessorPath ` +
 			`$kaptProcessor ` +
 			`-Xbuild-file=$kotlinBuildFile && ` +
-			`${config.SoongZipCmd} -jar -o $out -C $kaptDir/sources -D $kaptDir/sources`,
+			`${config.SoongZipCmd} -jar -o $out -C $kaptDir/sources -D $kaptDir/sources && ` +
+			`rm -rf "$srcJarDir"`,
 		CommandDeps: []string{
 			"${config.KotlincCmd}",
 			"${config.KotlinCompilerJar}",