diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile
index 9eb1c3e4d33949c6876c184ab842fa1af01fc535..48d1f863d584f619c7aa525b313b22c4f3136830 100644
--- a/tools/testing/selftests/exec/Makefile
+++ b/tools/testing/selftests/exec/Makefile
@@ -1,5 +1,14 @@
 CFLAGS = -Wall
 
+TEST_GEN_PROGS := execveat
+TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir
+# Makefile is a run-time dependency, since it's accessed by the execveat test
+TEST_FILES := Makefile
+
+EXTRA_CLEAN := subdir.moved execveat.moved xxxxx*
+
+include ../lib.mk
+
 subdir:
 	mkdir -p $@
 script:
@@ -11,13 +20,3 @@ execveat.symlink: execveat
 execveat.denatured: execveat
 	cp $< $@
 	chmod -x $@
-
-TEST_GEN_PROGS := execveat
-TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir
-# Makefile is a run-time dependency, since it's accessed by the execveat test
-TEST_FILES := Makefile
-
-include ../lib.mk
-
-clean:
-	rm -rf $(TEST_GEN_PROGS) $(TEST_GEN_FILES) subdir.moved execveat.moved xxxxx*
diff --git a/tools/testing/selftests/ftrace/Makefile b/tools/testing/selftests/ftrace/Makefile
index a71530097352ce150d30e512bd415b80bff83cb0..6c64b421a4fdb81463cf91f9c661f74053a7d579 100644
--- a/tools/testing/selftests/ftrace/Makefile
+++ b/tools/testing/selftests/ftrace/Makefile
@@ -2,8 +2,6 @@ all:
 
 TEST_PROGS := ftracetest
 TEST_FILES := test.d
+EXTRA_CLEAN := logs/*
 
 include ../lib.mk
-
-clean:
-	rm -rf logs/*
diff --git a/tools/testing/selftests/kcmp/Makefile b/tools/testing/selftests/kcmp/Makefile
index 9e8b673d41b126637e2164a48bbf3a3a19f54f41..74a8adda58fbc80d81819cf6e7146f0206488334 100644
--- a/tools/testing/selftests/kcmp/Makefile
+++ b/tools/testing/selftests/kcmp/Makefile
@@ -2,7 +2,7 @@ CFLAGS += -I../../../../usr/include/
 
 TEST_GEN_PROGS := kcmp_test
 
+EXTRA_CLEAN := kcmp-test-file
+
 include ../lib.mk
 
-clean:
-	$(RM) $(TEST_GEN_PROGS) kcmp-test-file
diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
index 68d7c01b9f061db32c047740af05002c72b6046f..0f7a371beff7bf197c6ab72dc971dff5b99bc676 100644
--- a/tools/testing/selftests/lib.mk
+++ b/tools/testing/selftests/lib.mk
@@ -43,7 +43,7 @@ emit_tests:
 all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
 
 clean:
-	$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
+	$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
 
 %: %.c
 	$(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ $^
diff --git a/tools/testing/selftests/powerpc/switch_endian/Makefile b/tools/testing/selftests/powerpc/switch_endian/Makefile
index bd0122306da669427c670f5c89390552ceb83225..dbd05ac8dbf7e9323101aab7443f55fb65d01de7 100644
--- a/tools/testing/selftests/powerpc/switch_endian/Makefile
+++ b/tools/testing/selftests/powerpc/switch_endian/Makefile
@@ -2,6 +2,8 @@ TEST_GEN_PROGS := switch_endian_test
 
 ASFLAGS += -O2 -Wall -g -nostdlib -m64
 
+EXTRA_CLEAN = *.o check-reversed.S
+
 include ../../lib.mk
 
 switch_endian_test: check-reversed.S
@@ -11,6 +13,3 @@ check-reversed.o: check.o
 
 check-reversed.S: check-reversed.o
 	hexdump -v -e '/1 ".byte 0x%02X\n"' $< > $@
-
-clean:
-	$(RM) $(TEST_GEN_PROGS) *.o check-reversed.S
diff --git a/tools/testing/selftests/pstore/Makefile b/tools/testing/selftests/pstore/Makefile
index bd7abe24ea081442850c88d1b559fe9926a2580c..c5f2440ba1f707fe3c447cedcd00756c1c735496 100644
--- a/tools/testing/selftests/pstore/Makefile
+++ b/tools/testing/selftests/pstore/Makefile
@@ -5,11 +5,9 @@ all:
 
 TEST_PROGS := pstore_tests pstore_post_reboot_tests
 TEST_FILES := common_tests pstore_crash_test
+EXTRA_CLEAN := logs/* *uuid
 
 include ../lib.mk
 
 run_crash:
 	@sh pstore_crash_test || { echo "pstore_crash_test: [FAIL]"; exit 1; }
-
-clean:
-	rm -rf logs/* *uuid
diff --git a/tools/testing/selftests/zram/Makefile b/tools/testing/selftests/zram/Makefile
index 29d80346e3eb5a14108e3e3f514182806ab584e1..c3a87e5f9d36482c4a606afe9c6e82bfff8fe90c 100644
--- a/tools/testing/selftests/zram/Makefile
+++ b/tools/testing/selftests/zram/Makefile
@@ -2,8 +2,7 @@ all:
 
 TEST_PROGS := zram.sh
 TEST_FILES := zram01.sh zram02.sh zram_lib.sh
+EXTRA_CLEAN := err.log
 
 include ../lib.mk
 
-clean:
-	$(RM) err.log