diff --git a/test/Makefile b/test/Makefile
index d514ec8ba..2b2eb9ea1 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -315,6 +315,7 @@ blocks$(EXEEXT): blocks.o
 	$(OSX_ONLY) $(RM) -f -r blocks.app/Contents/MacOS
 	$(OSX_ONLY) mkdir blocks.app/Contents/MacOS
 	$(OSX_ONLY) $(INSTALL_BIN) blocks$(EXEEXT) blocks.app/Contents/MacOS
+	$(OSX_ONLY) xattr -d -r com.apple.quarantine blocks.app
 
 checkers$(EXEEXT): checkers.o
 	echo Linking $@...
@@ -322,6 +323,7 @@ checkers$(EXEEXT): checkers.o
 	$(OSX_ONLY) $(RM) -f -r checkers.app/Contents/MacOS
 	$(OSX_ONLY) mkdir checkers.app/Contents/MacOS
 	$(OSX_ONLY) $(INSTALL_BIN) checkers$(EXEEXT) checkers.app/Contents/MacOS
+	$(OSX_ONLY) xattr -d -r com.apple.quarantine checkers.app
 
 clock$(EXEEXT): clock.o
 
@@ -476,6 +478,7 @@ sudoku: sudoku.o
 	$(OSX_ONLY) $(RM) -r -f sudoku.app/Contents/MacOS
 	$(OSX_ONLY) mkdir sudoku.app/Contents/MacOS
 	$(OSX_ONLY) $(INSTALL_BIN) sudoku$(EXEEXT) sudoku.app/Contents/MacOS
+	$(OSX_ONLY) xattr -d -r com.apple.quarantine sudoku.app
 
 sudoku.exe: sudoku.o sudoku.rc
 	echo Linking $@...