diff --git a/src/lib/arch/Arch.cpp b/src/lib/arch/Arch.cpp
index cca6ccd87..2e648dbe8 100644
--- a/src/lib/arch/Arch.cpp
+++ b/src/lib/arch/Arch.cpp
@@ -28,10 +28,6 @@ Arch::Arch(Arch *arch)
   s_instance = arch;
 }
 
-Arch::~Arch()
-{
-}
-
 void Arch::init()
 {
   ARCH_NETWORK::init();
diff --git a/src/lib/arch/Arch.h b/src/lib/arch/Arch.h
index 754940825..5f67a3663 100644
--- a/src/lib/arch/Arch.h
+++ b/src/lib/arch/Arch.h
@@ -80,8 +80,8 @@ class Arch : public ARCH_CONSOLE,
 {
 public:
   Arch();
-  Arch(Arch *arch);
-  ~Arch() override;
+  explicit Arch(Arch *arch);
+  ~Arch() override = default;
 
   //! Call init on other arch classes.
   /*!
@@ -114,7 +114,7 @@ private:
 class ArchMutexLock
 {
 public:
-  ArchMutexLock(ArchMutex mutex) : m_mutex(mutex)
+  explicit ArchMutexLock(ArchMutex mutex) : m_mutex(mutex)
   {
     ARCH->lockMutex(m_mutex);
   }