diff --git a/cc/ndk_sysroot.go b/cc/ndk_sysroot.go
index 144fc09..80b5c6a 100644
--- a/cc/ndk_sysroot.go
+++ b/cc/ndk_sysroot.go
@@ -132,6 +132,10 @@
 		}
 	})
 
+	// Include only a single copy of each license file. The Bionic NOTICE is
+	// long and is referenced by multiple Bionic modules.
+	licensePaths = android.FirstUniquePaths(licensePaths)
+
 	combinedLicense := getNdkInstallBase(ctx).Join(ctx, "NOTICE")
 	ctx.Build(pctx, android.BuildParams{
 		Rule:        android.Cat,