COMPMID-556 Fixed clang-tidy error

Change-Id: Ia78b0db43e3b1bc20f4eda706d440aeb14808c4e
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/112830
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
diff --git a/src/core/CPP/kernels/CPPSortEuclideanDistanceKernel.cpp b/src/core/CPP/kernels/CPPSortEuclideanDistanceKernel.cpp
index 3b1c7ae..edc5e40 100644
--- a/src/core/CPP/kernels/CPPSortEuclideanDistanceKernel.cpp
+++ b/src/core/CPP/kernels/CPPSortEuclideanDistanceKernel.cpp
@@ -71,6 +71,7 @@
 void CPPSortEuclideanDistanceKernel::run(const Window &window, const ThreadInfo &info)
 {
     ARM_COMPUTE_UNUSED(info);
+    ARM_COMPUTE_UNUSED(window);
     ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
     ARM_COMPUTE_ERROR_ON_MISMATCHING_WINDOWS(ICPPKernel::window(), window);