diff --git a/SWIG/Examples/test-suite/cffi/Makefile.in b/SWIG/Examples/test-suite/cffi/Makefile.in
index 21fa6d072..fefc185cf 100644
--- a/SWIG/Examples/test-suite/cffi/Makefile.in
+++ b/SWIG/Examples/test-suite/cffi/Makefile.in
@@ -41,7 +41,7 @@ run_testcase = \
 
 # Clean: (does nothing, we dont generate extra cffi code)
 %.clean:
-
+	
 
 clean:
 	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile cffi_clean
diff --git a/SWIG/Examples/test-suite/clisp/Makefile.in b/SWIG/Examples/test-suite/clisp/Makefile.in
index 521bf4fb7..7adb02cec 100644
--- a/SWIG/Examples/test-suite/clisp/Makefile.in
+++ b/SWIG/Examples/test-suite/clisp/Makefile.in
@@ -41,7 +41,7 @@ run_testcase = \
 
 # Clean: (does nothing, we dont generate extra clisp code)
 %.clean:
-
+	
 
 clean:
 	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile clisp_clean
diff --git a/SWIG/Examples/test-suite/uffi/Makefile.in b/SWIG/Examples/test-suite/uffi/Makefile.in
index d8a7eb304..c762f63f2 100644
--- a/SWIG/Examples/test-suite/uffi/Makefile.in
+++ b/SWIG/Examples/test-suite/uffi/Makefile.in
@@ -41,7 +41,7 @@ run_testcase = \
 
 # Clean: (does nothing, we dont generate extra uffi code)
 %.clean:
-
+	
 
 clean:
 	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile uffi_clean