diff --git a/Source/UnitTest/cmake_core.cmake b/Source/UnitTest/cmake_core.cmake
index cbf25afb..69e30f9b 100644
--- a/Source/UnitTest/cmake_core.cmake
+++ b/Source/UnitTest/cmake_core.cmake
@@ -66,6 +66,7 @@ target_compile_options(${ASTCENC_TEST}
         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wno-float-equal>
         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wno-overriding-option>
         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wno-unsafe-buffer-usage>
+        $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wno-switch-default>
 
         # Ignore things that the googletest build triggers
         $<$<NOT:$<CXX_COMPILER_ID:MSVC>>:-Wno-unknown-warning-option>
diff --git a/Source/astcenc_internal.h b/Source/astcenc_internal.h
index 0b1d9450..df6e07f9 100644
--- a/Source/astcenc_internal.h
+++ b/Source/astcenc_internal.h
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 // ----------------------------------------------------------------------------
-// Copyright 2011-2025 Arm Limited
+// Copyright 2011-2024 Arm Limited
 //
 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
 // use this file except in compliance with the License. You may obtain a copy
@@ -257,7 +257,6 @@ static inline unsigned int get_quant_level(quant_method method)
 	case QUANT_160: return 160;
 	case QUANT_192: return 192;
 	case QUANT_256: return 256;
-	default:        break;
 	}
 
 	// Unreachable - the enum is fully described