diff --git a/src/nnue/network.cpp b/src/nnue/network.cpp
index e23294e4f..957dc7bff 100644
--- a/src/nnue/network.cpp
+++ b/src/nnue/network.cpp
@@ -212,21 +212,11 @@ NetworkOutput
 Network<Arch, Transformer>::evaluate(const Position&                         pos,
                                      AccumulatorStack&                       accumulatorStack,
                                      AccumulatorCaches::Cache<FTDimensions>* cache) const {
-    // We manually align the arrays on the stack because with gcc < 9.3
-    // overaligning stack variables with alignas() doesn't work correctly.
 
     constexpr uint64_t alignment = CacheLineSize;
 
-#if defined(ALIGNAS_ON_STACK_VARIABLES_BROKEN)
-    TransformedFeatureType
-      transformedFeaturesUnaligned[FeatureTransformer<FTDimensions>::BufferSize
-                                   + alignment / sizeof(TransformedFeatureType)];
-
-    auto* transformedFeatures = align_ptr_up<alignment>(&transformedFeaturesUnaligned[0]);
-#else
     alignas(alignment)
       TransformedFeatureType transformedFeatures[FeatureTransformer<FTDimensions>::BufferSize];
-#endif
 
     ASSERT_ALIGNED(transformedFeatures, alignment);
 
@@ -284,20 +274,11 @@ NnueEvalTrace
 Network<Arch, Transformer>::trace_evaluate(const Position&                         pos,
                                            AccumulatorStack&                       accumulatorStack,
                                            AccumulatorCaches::Cache<FTDimensions>* cache) const {
-    // We manually align the arrays on the stack because with gcc < 9.3
-    // overaligning stack variables with alignas() doesn't work correctly.
+
     constexpr uint64_t alignment = CacheLineSize;
 
-#if defined(ALIGNAS_ON_STACK_VARIABLES_BROKEN)
-    TransformedFeatureType
-      transformedFeaturesUnaligned[FeatureTransformer<FTDimensions>::BufferSize
-                                   + alignment / sizeof(TransformedFeatureType)];
-
-    auto* transformedFeatures = align_ptr_up<alignment>(&transformedFeaturesUnaligned[0]);
-#else
     alignas(alignment)
       TransformedFeatureType transformedFeatures[FeatureTransformer<FTDimensions>::BufferSize];
-#endif
 
     ASSERT_ALIGNED(transformedFeatures, alignment);
 
diff --git a/src/types.h b/src/types.h
index d7f9dfb74..a76d00336 100644
--- a/src/types.h
+++ b/src/types.h
@@ -57,9 +57,9 @@
 // _WIN32                  Building on Windows (any)
 // _WIN64                  Building on Windows 64 bit
 
-    #if defined(__GNUC__) && (__GNUC__ < 9 || (__GNUC__ == 9 && __GNUC_MINOR__ <= 2)) \
-      && defined(_WIN32) && !defined(__clang__)
-        #define ALIGNAS_ON_STACK_VARIABLES_BROKEN
+    #if defined(__GNUC__) && !defined(__clang__) \
+      && (__GNUC__ < 9 || (__GNUC__ == 9 && __GNUC_MINOR__ < 3))
+        #error "Stockfish requires GCC 9.3 or later for correct compilation"
     #endif
 
     #define ASSERT_ALIGNED(ptr, alignment) assert(reinterpret_cast<uintptr_t>(ptr) % alignment == 0)