diff --git a/Source/Makefile.am b/Source/Makefile.am
index 2068aaa8f..af7999e6b 100644
--- a/Source/Makefile.am
+++ b/Source/Makefile.am
@@ -102,3 +102,4 @@ all-local: eswig@EXEEXT@
 
 clean-local:
 	rm -f ../swig@EXEEXT@
+	rm -f core @EXTRA_CLEAN@
diff --git a/configure.in b/configure.in
index cb207de3e..a707d26c5 100644
--- a/configure.in
+++ b/configure.in
@@ -1880,7 +1880,7 @@ case $host in
     ROOT_DIR=`cygpath --mixed $ROOT_DIR`
   fi
   # Extra files generated by some Windows compilers
-  EXTRA_CLEAN="*.stackdump *.exp *.lib *.pdb"
+  EXTRA_CLEAN="*.stackdump *.exp *.lib *.pdb *.ilk"
   ;;
 esac