diff --git a/core/definitions.mk b/core/definitions.mk
index 7836b594e..333a4d49d 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2808,13 +2808,6 @@ $(hide) rm -f $@
 $(hide) cp -p $< $@
 endef
 
-# The same as copy-file-to-target, but use the zipalign tool to do so.
-define copy-file-to-target-with-zipalign
-@mkdir -p $(dir $@)
-$(hide) rm -f $@
-$(hide) $(ZIPALIGN) -f 4 $< $@
-endef
-
 # The same as copy-file-to-target, but strip out "# comment"-style
 # comments (for config files and such).
 define copy-file-to-target-strip-comments
@@ -2845,12 +2838,6 @@ define transform-prebuilt-to-target
 $(copy-file-to-target)
 endef
 
-# Copy a prebuilt file to a target location, using zipalign on it.
-define transform-prebuilt-to-target-with-zipalign
-@echo "$($(PRIVATE_PREFIX)DISPLAY) Prebuilt APK: $(PRIVATE_MODULE) ($@)"
-$(copy-file-to-target-with-zipalign)
-endef
-
 # Copy a prebuilt file to a target location, stripping "# comment" comments.
 define transform-prebuilt-to-target-strip-comments
 @echo "$($(PRIVATE_PREFIX)DISPLAY) Prebuilt: $(PRIVATE_MODULE) ($@)"