diff --git a/src/sfizz/SIMDNEON.cpp b/src/sfizz/SIMDNEON.cpp
index d5212904..6a6dc8d1 100644
--- a/src/sfizz/SIMDNEON.cpp
+++ b/src/sfizz/SIMDNEON.cpp
@@ -30,7 +30,6 @@
 
 using Type = float;
 constexpr uintptr_t TypeAlignment { 4 };
-constexpr uintptr_t TypeAlignmentMask { TypeAlignment - 1 };
 constexpr uintptr_t ByteAlignment { TypeAlignment * sizeof(Type) };
 constexpr uintptr_t ByteAlignmentMask { ByteAlignment - 1 };
 
diff --git a/src/sfizz/SIMDSSE.cpp b/src/sfizz/SIMDSSE.cpp
index 2eda8969..1b5c466c 100644
--- a/src/sfizz/SIMDSSE.cpp
+++ b/src/sfizz/SIMDSSE.cpp
@@ -17,7 +17,6 @@
 
 using Type = float;
 constexpr uintptr_t TypeAlignment { 4 };
-constexpr uintptr_t TypeAlignmentMask { TypeAlignment - 1 };
 constexpr uintptr_t ByteAlignment { TypeAlignment * sizeof(Type) };
 constexpr uintptr_t ByteAlignmentMask { ByteAlignment - 1 };