Replace al::optional with std::optional

1 files changed, 2 insertions, 2 deletions

diff --git a/utils/makemhr/loadsofa.cpp b/utils/makemhr/loadsofa.cpp
index dcb0a35e..9e661839 100644
--- a/utils/makemhr/loadsofa.cpp
+++ b/utils/makemhr/loadsofa.cpp
@@ -33,11 +33,11 @@
 #include <iterator>
 #include <memory>
 #include <numeric>
+#include <optional>
 #include <string>
 #include <thread>
 #include <vector>
 
-#include "aloptional.h"
 #include "alspan.h"
 #include "makemhr.h"
 #include "polyphase_resampler.h"
@@ -265,7 +265,7 @@ static bool LoadResponses(MYSOFA_HRTF *sofaHrtf, HrirDataT *hData, const DelayTy
         double *hrirs = hData->mHrirsBase.data();
 
         std::unique_ptr<double[]> restmp;
-        al::optional<PPhaseResampler> resampler;
+        std::optional<PPhaseResampler> resampler;
         if(outRate && outRate != hData->mIrRate)
         {
             resampler.emplace().init(hData->mIrRate, outRate);