diff --git a/icu4c/source/common/Makefile.in b/icu4c/source/common/Makefile.in
index ff6753f848f..22943e46c51 100644
--- a/icu4c/source/common/Makefile.in
+++ b/icu4c/source/common/Makefile.in
@@ -20,7 +20,7 @@ include $(top_builddir)/icudefs.mk
 subdir = common
 
 ## Extra files to remove for 'make clean'
-CLEANFILES = *~ $(DEPS)
+CLEANFILES = *~ $(DEPS) $(IMPORT_LIB) $(MIDDLE_IMPORT_LIB) $(FINAL_IMPORT_LIB)
 
 ## Target information
 
diff --git a/icu4c/source/extra/ustdio/Makefile.in b/icu4c/source/extra/ustdio/Makefile.in
index 0737de379ae..efbfd9a6a9a 100644
--- a/icu4c/source/extra/ustdio/Makefile.in
+++ b/icu4c/source/extra/ustdio/Makefile.in
@@ -20,7 +20,7 @@ include $(top_builddir)/icudefs.mk
 subdir = extra/ustdio
 
 ## Extra files to remove for 'make clean'
-CLEANFILES = *~ $(DEPS)
+CLEANFILES = *~ $(DEPS) $(IMPORT_LIB) $(MIDDLE_IMPORT_LIB) $(FINAL_IMPORT_LIB)
 
 ## Target information
 
diff --git a/icu4c/source/i18n/Makefile.in b/icu4c/source/i18n/Makefile.in
index 11e01c4579f..afc52807f36 100644
--- a/icu4c/source/i18n/Makefile.in
+++ b/icu4c/source/i18n/Makefile.in
@@ -21,7 +21,7 @@ include $(top_builddir)/icudefs.mk
 subdir = i18n
 
 ## Extra files to remove for 'make clean'
-CLEANFILES = *~ $(DEPS)
+CLEANFILES = *~ $(DEPS) $(IMPORT_LIB) $(MIDDLE_IMPORT_LIB) $(FINAL_IMPORT_LIB)
 
 ## Target information
 
diff --git a/icu4c/source/layout/Makefile.in b/icu4c/source/layout/Makefile.in
index 612d1463905..fb4a37ef498 100644
--- a/icu4c/source/layout/Makefile.in
+++ b/icu4c/source/layout/Makefile.in
@@ -14,7 +14,7 @@ include $(top_builddir)/icudefs.mk
 subdir = layout
 
 ## Extra files to remove for 'make clean'
-CLEANFILES = *~ $(DEPS)
+CLEANFILES = *~ $(DEPS) $(IMPORT_LIB) $(MIDDLE_IMPORT_LIB) $(FINAL_IMPORT_LIB)
 
 ## Target information
 
diff --git a/icu4c/source/layoutex/Makefile.in b/icu4c/source/layoutex/Makefile.in
index 8b890249ae2..be75e227d96 100644
--- a/icu4c/source/layoutex/Makefile.in
+++ b/icu4c/source/layoutex/Makefile.in
@@ -14,7 +14,7 @@ include $(top_builddir)/icudefs.mk
 subdir = layoutex
 
 ## Extra files to remove for 'make clean'
-CLEANFILES = *~ $(DEPS)
+CLEANFILES = *~ $(DEPS) $(IMPORT_LIB) $(MIDDLE_IMPORT_LIB) $(FINAL_IMPORT_LIB)
 
 ## Target information
 
diff --git a/icu4c/source/stubdata/Makefile.in b/icu4c/source/stubdata/Makefile.in
index df5063daba7..ab0a9fba907 100644
--- a/icu4c/source/stubdata/Makefile.in
+++ b/icu4c/source/stubdata/Makefile.in
@@ -20,7 +20,7 @@ include $(top_builddir)/icudefs.mk
 subdir = stubdata
 
 ## Files to remove for 'make clean'
-CLEANFILES = *~ $(DEPS)
+CLEANFILES = *~ $(DEPS) $(IMPORT_LIB) $(MIDDLE_IMPORT_LIB) $(FINAL_IMPORT_LIB)
 
 ## Target information
 
diff --git a/icu4c/source/tools/ctestfw/Makefile.in b/icu4c/source/tools/ctestfw/Makefile.in
index aad43a3df5f..3a454c246be 100644
--- a/icu4c/source/tools/ctestfw/Makefile.in
+++ b/icu4c/source/tools/ctestfw/Makefile.in
@@ -15,7 +15,7 @@ include $(top_builddir)/icudefs.mk
 subdir = tools/ctestfw
 
 ## Extra files to remove for 'make clean'
-CLEANFILES = *~ $(DEPS) $(ALL_TARGETS)
+CLEANFILES = *~ $(DEPS) $(IMPORT_LIB) $(MIDDLE_IMPORT_LIB) $(FINAL_IMPORT_LIB)
 
 ## Target information
 
@@ -83,7 +83,7 @@ dist-local:
 
 clean-local:
 	test -z "$(CLEANFILES)" || $(RMV) $(CLEANFILES)
-	$(RMV)  $(OBJECTS) $(STATIC_OBJECTS) $(ALL_TARGETS)
+	$(RMV) $(OBJECTS) $(STATIC_OBJECTS) $(ALL_TARGETS)
 
 distclean-local: clean-local
 	$(RMV) Makefile
diff --git a/icu4c/source/tools/toolutil/Makefile.in b/icu4c/source/tools/toolutil/Makefile.in
index 804bb318c8c..7cc6e7e8631 100644
--- a/icu4c/source/tools/toolutil/Makefile.in
+++ b/icu4c/source/tools/toolutil/Makefile.in
@@ -16,7 +16,7 @@ include $(top_builddir)/icudefs.mk
 subdir = tools/toolutil
 
 ## Extra files to remove for 'make clean'
-CLEANFILES = *~ $(DEPS)
+CLEANFILES = *~ $(DEPS) $(IMPORT_LIB) $(MIDDLE_IMPORT_LIB) $(FINAL_IMPORT_LIB)
 
 ## Target information