diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index 360bf3ff..347e1758 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -63,10 +63,10 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
 elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
 
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
-    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Ofast -funroll-loops -fmerge-all-constants")
+    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -funroll-loops -fmerge-all-constants")
 
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fexceptions -fno-rtti -Wno-missing-braces")
-    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast -funroll-loops -fmerge-all-constants")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fexceptions -fno-rtti")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -funroll-loops -fmerge-all-constants")
 
     if (ARM_TARGET EQUAL 8)
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ARM8_CXX_FLAGS}")
@@ -87,7 +87,6 @@ elseif (CMAKE_CXX_COMPILER_ID MATCHES Clang)
     if (BUILD_STATIC OR WIN32)
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
     endif()
-
 endif()
 
 if (NOT WIN32)
diff --git a/src/hw/dmi/DmiReader.cpp b/src/hw/dmi/DmiReader.cpp
index 1e12603c..ac73b768 100644
--- a/src/hw/dmi/DmiReader.cpp
+++ b/src/hw/dmi/DmiReader.cpp
@@ -1,8 +1,8 @@
 /* XMRig
  * Copyright (c) 2000-2002 Alan Cox     <alan@redhat.com>
  * Copyright (c) 2005-2020 Jean Delvare <jdelvare@suse.de>
- * Copyright (c) 2018-2021 SChernykh    <https://github.com/SChernykh>
- * Copyright (c) 2016-2021 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright (c) 2018-2025 SChernykh    <https://github.com/SChernykh>
+ * Copyright (c) 2016-2025 XMRig        <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -88,7 +88,6 @@ bool xmrig::DmiReader::decode(uint8_t *buf)
     }
 
     uint8_t *data = buf;
-    int i         = 0;
 
     while (data + 4 <= buf + m_size) {
         dmi_header h{};
@@ -97,7 +96,6 @@ bool xmrig::DmiReader::decode(uint8_t *buf)
         if (h.length < 4 || h.type == 127) {
             break;
         }
-        i++;
 
         uint8_t *next = data + h.length;
         while (static_cast<uint32_t>(next - buf + 1) < m_size && (next[0] != 0 || next[1] != 0)) {