diff --git a/dune/xt/common/test/common.hh b/dune/xt/common/test/common.hh
index c4c45d2220e0883475114136ab71f9d2bdd79961..aeeaa294a9525c7363837ba47eba1a2c88c76b71 100644
--- a/dune/xt/common/test/common.hh
+++ b/dune/xt/common/test/common.hh
@@ -80,13 +80,15 @@ void print_collected_eoc_study_results(const std::map<std::string, std::vector<d
 unsigned int grid_elements();
 
 template <typename T>
-static typename std::enable_if<Common::is_vector<T>::value, T>::type init_bound(typename Common::VectorAbstraction<T>::S val)
+static typename std::enable_if<Common::is_vector<T>::value, T>::type
+init_bound(typename Common::VectorAbstraction<T>::S val)
 {
   const auto size = Common::VectorAbstraction<T>::has_static_size ? Common::VectorAbstraction<T>::static_size : 3u;
   return Common::VectorAbstraction<T>::create(size, val);
 }
 template <typename T>
-static typename std::enable_if<!Common::is_vector<T>::value, T>::type init_bound(typename Common::VectorAbstraction<T>::S val)
+static typename std::enable_if<!Common::is_vector<T>::value, T>::type
+init_bound(typename Common::VectorAbstraction<T>::S val)
 {
   return T(val);
 }
diff --git a/dune/xt/common/test/memory.cc b/dune/xt/common/test/memory.cc
index 642d6c87dea5e348e54e57d12c8041fc027e3297..3de1f64a0f3f4804c63ae6114e7c3f313a80fa3e 100644
--- a/dune/xt/common/test/memory.cc
+++ b/dune/xt/common/test/memory.cc
@@ -23,19 +23,22 @@ struct ScopeTest : public testing::Test
   typedef int T;
   static constexpr T constant = 1;
   template <class P>
-  void deref(P& p) {
+  void deref(P& p)
+  {
     EXPECT_NE(p, nullptr);
     auto g = *p;
     EXPECT_EQ(constant, g);
   }
 
   template <template <class F> class Provider, class P>
-  void scope(P& p) {
+  void scope(P& p)
+  {
     Provider<T> shared_provider(p);
     deref(p);
   }
 
-  void check_shared() {
+  void check_shared()
+  {
     auto shared = std::make_shared<T>(constant);
     scope<ConstStorageProvider>(shared);
     deref(shared);
diff --git a/dune/xt/common/test/random.cc b/dune/xt/common/test/random.cc
index b9c9535967e787e3877f5d2b05c3ed648eda7bb7..c2f2ab59f75d0dfdaa51a0cd9f7eb01ae9c5999c 100644
--- a/dune/xt/common/test/random.cc
+++ b/dune/xt/common/test/random.cc
@@ -27,20 +27,20 @@ TEST(Init, Random)
 {
   typedef RNG_FIELD_TYPE T;
   typedef DefaultRNG<T> RNG;
-//  typedef typename VectorAbstraction<T>::S Scalar;
+  //  typedef typename VectorAbstraction<T>::S Scalar;
   const auto lower_bound = init_bound<T>(1);
   // for the int check we need at least on int in between lower and upper bound
   const auto upper_bound = init_bound<T>(3);
-  const auto seed = init_bound<T>(0);
+  const auto seed        = init_bound<T>(0);
   RNG rng1;
   RNG rng2(lower_bound);
   RNG rng3(lower_bound, upper_bound);
   RNG rng4(lower_bound, upper_bound, seed);
-  for(auto& r : std::array<RNG, 3>{{rng2, rng3, rng4}}) {
+  for (auto& r : std::array<RNG, 3>{{rng2, rng3, rng4}}) {
     const auto val = r();
     EXPECT_TRUE(FloatCmp::ge(val, lower_bound));
   }
-  for(auto& r : std::array<RNG, 2>{{rng3, rng4}}) {
+  for (auto& r : std::array<RNG, 2>{{rng3, rng4}}) {
     const auto val = r();
     EXPECT_TRUE(FloatCmp::le(val, upper_bound));
   }
@@ -55,4 +55,3 @@ TEST(Init, Random)
   std::string rstr = str_rng();
   EXPECT_EQ(rstr.size(), 2);
 }
-
diff --git a/dune/xt/common/test/validation.cc b/dune/xt/common/test/validation.cc
index 2c0b9f3fba89140a56f022dd6ccc604fc73ab40e..303f7ff1c553296bb6f3da3d4ab94a398e3b3468 100644
--- a/dune/xt/common/test/validation.cc
+++ b/dune/xt/common/test/validation.cc
@@ -48,7 +48,7 @@ struct ValidationTest : public testing::Test
     {
       typedef VectorAbstraction<T>::S S;
       const auto scalar_eps = Epsilon<S>::value;
-      const T lower = init_bound<T>(std::numeric_limits<S>::min() + scalar_eps);
+      const T lower         = init_bound<T>(std::numeric_limits<S>::min() + scalar_eps);
       const T upper = init_bound<T>(std::numeric_limits<S>::max() - scalar_eps);
       RNGType rng(lower, upper);
       for (int i = samples; i > 0; --i) {
diff --git a/dune/xt/common/validation.hh b/dune/xt/common/validation.hh
index be5976202e83766ab41f667e111468d5f084e47c..0c1e969b95c831828359181a6213f05bf6af247e 100644
--- a/dune/xt/common/validation.hh
+++ b/dune/xt/common/validation.hh
@@ -124,8 +124,7 @@ public:
 
   std::string msg(const T& value) const
   {
-    return (boost::format("given value %s was invalid: not less than %s") % to_string(value) % to_string(lhs_))
-        .str();
+    return (boost::format("given value %s was invalid: not less than %s") % to_string(value) % to_string(lhs_)).str();
   }
 
 private: