diff --git a/src/plugins/intel_npu/src/al/src/config/config.cpp b/src/plugins/intel_npu/src/al/src/config/config.cpp
index 1f104f5626ac9e..b64a98e55ab97a 100644
--- a/src/plugins/intel_npu/src/al/src/config/config.cpp
+++ b/src/plugins/intel_npu/src/al/src/config/config.cpp
@@ -167,8 +167,8 @@ std::vector<std::string> OptionsDesc::getSupported(bool includePrivate) const {
 }
 
 void OptionsDesc::walk(std::function<void(const details::OptionConcept&)> cb) const {
-    for (const auto& [_, opt] : _impl) {
-        cb(opt);
+    for (const auto& itr : _impl) {
+        cb(itr.second);
     }
 }
 
diff --git a/src/plugins/intel_npu/thirdparty/CMakeLists.txt b/src/plugins/intel_npu/thirdparty/CMakeLists.txt
index a1baf9bb3b8429..4c0cf2494b1dd0 100644
--- a/src/plugins/intel_npu/thirdparty/CMakeLists.txt
+++ b/src/plugins/intel_npu/thirdparty/CMakeLists.txt
@@ -27,9 +27,11 @@ if(ENABLE_ZEROAPI_BACKEND)
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
             -Wno-error=undef \
             -Wno-error=unused-but-set-variable \
-            -Wno-error=missing-declarations \
-            -Wno-error=stringop-truncation \
-            -Wno-unknown-warning-option")
+            -Wno-error=missing-declarations")
+        if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.1)
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
+                -Wno-error=stringop-truncation")
+        endif()
     endif()
     set(CMAKE_COMPILE_WARNING_AS_ERROR OFF)
     add_subdirectory(level-zero EXCLUDE_FROM_ALL)