diff --git a/src/ref_ptr.hh b/src/ref_ptr.hh
index d9fa4ab5..5711ced2 100644
--- a/src/ref_ptr.hh
+++ b/src/ref_ptr.hh
@@ -14,7 +14,7 @@ struct RefCountable
 
 struct RefCountablePolicy
 {
-    static void inc_ref(RefCountable* r, void*) { ++r->refcount; }
+    static void inc_ref(RefCountable* r, void*) noexcept { ++r->refcount; }
     static void dec_ref(RefCountable* r, void*) { if (--r->refcount == 0) delete r; }
     static void ptr_moved(RefCountable*, void*, void*) noexcept {}
 };
diff --git a/src/safe_ptr.hh b/src/safe_ptr.hh
index efe5da80..4d83a46d 100644
--- a/src/safe_ptr.hh
+++ b/src/safe_ptr.hh
@@ -52,7 +52,7 @@ private:
 struct SafeCountablePolicy
 {
 #ifdef KAK_DEBUG
-    static void inc_ref(const SafeCountable* sc, void* ptr)
+    static void inc_ref(const SafeCountable* sc, void* ptr) noexcept
     {
         ++sc->m_count;
         #ifdef SAFE_PTR_TRACK_CALLSTACKS
@@ -60,7 +60,7 @@ struct SafeCountablePolicy
         #endif
     }
 
-    static void dec_ref(const SafeCountable* sc, void* ptr)
+    static void dec_ref(const SafeCountable* sc, void* ptr) noexcept
     {
         --sc->m_count;
         kak_assert(sc->m_count >= 0);
@@ -72,7 +72,7 @@ struct SafeCountablePolicy
         #endif
     }
 
-    static void ptr_moved(const SafeCountable* sc, void* from, void* to)
+    static void ptr_moved(const SafeCountable* sc, void* from, void* to) noexcept
     {
         #ifdef SAFE_PTR_TRACK_CALLSTACKS
         auto it = std::find_if(sc->m_callstacks.begin(), sc->m_callstacks.end(),
@@ -82,9 +82,9 @@ struct SafeCountablePolicy
         #endif
     }
 #else
-    static void inc_ref(const SafeCountable*, void* ptr) {}
-    static void dec_ref(const SafeCountable*, void* ptr) {}
-    static void ptr_moved(const SafeCountable*, void*, void*) {}
+    static void inc_ref(const SafeCountable*, void* ptr) noexcept {}
+    static void dec_ref(const SafeCountable*, void* ptr) noexcept {}
+    static void ptr_moved(const SafeCountable*, void*, void*) noexcept {}
 #endif
 };