diff --git a/Makefile b/Makefile
index cc79bb7279..b45dea0ec5 100644
--- a/Makefile
+++ b/Makefile
@@ -175,7 +175,9 @@ android: Build/EvilSplicer
 	cp -uR tmp/splices/* tmp/androidtree
 # Some additional dependencies needed by the expanded splices.
 	sed -i 's/^  Build-Depends: /  Build-Depends: yesod-routes, yesod-core, shakespeare-css, shakespeare-js, shakespeare, blaze-markup, /' tmp/androidtree/git-annex.cabal
-# cabal cannot cross compile with custom build type, so workaround
+# Avoid warnings due to sometimes unused imports added for the splices.
+	sed -i 's/-Wall//' tmp/androidtree/git-annex.cabal
+# Cabal cannot cross compile with custom build type, so workaround.
 	sed -i 's/Build-type: Custom/Build-type: Simple/' tmp/androidtree/git-annex.cabal
 	if [ ! -e tmp/androidtree/dist/setup/setup ]; then \
 		cd tmp/androidtree; \