diff --git a/tests/unittests/tests-bloom/Makefile.include b/tests/unittests/tests-bloom/Makefile.include
index 7180393b0e..6f3fccc1ec 100644
--- a/tests/unittests/tests-bloom/Makefile.include
+++ b/tests/unittests/tests-bloom/Makefile.include
@@ -1,3 +1,2 @@
 USEMODULE += bloom
 USEMODULE += hashes
-
diff --git a/tests/unittests/tests-crypto/Makefile.include b/tests/unittests/tests-crypto/Makefile.include
index 135ea90d85..b1cd537fb7 100644
--- a/tests/unittests/tests-crypto/Makefile.include
+++ b/tests/unittests/tests-crypto/Makefile.include
@@ -1,2 +1 @@
 USEMODULE += crypto
-
diff --git a/tests/unittests/tests-timex/Makefile.include b/tests/unittests/tests-timex/Makefile.include
index fde719b471..e59c0fe861 100644
--- a/tests/unittests/tests-timex/Makefile.include
+++ b/tests/unittests/tests-timex/Makefile.include
@@ -1,2 +1 @@
 USEMODULE += timex
-