diff --git a/libraries/libstratosphere/include/stratosphere/fssrv/impl/fssrv_external_key_manager.hpp b/libraries/libstratosphere/include/stratosphere/fssrv/impl/fssrv_external_key_manager.hpp
index a4918709b..a4ee937e9 100644
--- a/libraries/libstratosphere/include/stratosphere/fssrv/impl/fssrv_external_key_manager.hpp
+++ b/libraries/libstratosphere/include/stratosphere/fssrv/impl/fssrv_external_key_manager.hpp
@@ -37,6 +37,8 @@ namespace ams::fssrv::impl {
 
             bool Contains(const void *key, size_t key_size) const {
                 AMS_ASSERT(key_size == sizeof(spl::AccessKey));
+                AMS_UNUSED(key_size);
+
                 return crypto::IsSameBytes(std::addressof(m_access_key), key, sizeof(m_access_key));
             }
 
diff --git a/libraries/libstratosphere/include/stratosphere/gc/impl/gc_embedded_data_holder.hpp b/libraries/libstratosphere/include/stratosphere/gc/impl/gc_embedded_data_holder.hpp
index 5d2cbb483..30201f3d7 100644
--- a/libraries/libstratosphere/include/stratosphere/gc/impl/gc_embedded_data_holder.hpp
+++ b/libraries/libstratosphere/include/stratosphere/gc/impl/gc_embedded_data_holder.hpp
@@ -48,6 +48,7 @@ namespace ams::gc::impl {
             static void SetLibraryTitleKeyKek(size_t kek_index, const void *kek, size_t kek_size) {
                 AMS_ASSERT(kek_index < GcCrypto::GcTitleKeyKekIndexMax);
                 AMS_ASSERT(kek_size == GcCrypto::GcAesKeyLength);
+                AMS_UNUSED(kek_size);
 
                 std::memcpy(s_titlekey_keks[kek_index], kek, sizeof(s_titlekey_keks[kek_index]));
             }
diff --git a/libraries/libstratosphere/include/stratosphere/ncm/ncm_mapped_memory.hpp b/libraries/libstratosphere/include/stratosphere/ncm/ncm_mapped_memory.hpp
index 021dd12ae..7523206a3 100644
--- a/libraries/libstratosphere/include/stratosphere/ncm/ncm_mapped_memory.hpp
+++ b/libraries/libstratosphere/include/stratosphere/ncm/ncm_mapped_memory.hpp
@@ -31,6 +31,7 @@ namespace ams::ncm {
         u8 *GetBuffer(size_t o, size_t sz) const {
             AMS_ASSERT(this->buffer != nullptr);
             AMS_ASSERT(this->IsIncluded(o, sz));
+            AMS_UNUSED(sz);
 
             return this->buffer + (o - this->offset);
         }