diff --git a/.gitignore b/.gitignore
index a15a2d842..fbb342503 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,6 +21,7 @@ local.properties
 .cache
 compile_commands.json
 /build
+/build-*
 **/.idea
 **/.clwb
 /new_offline.db
diff --git a/platform/darwin/core/local_glyph_rasterizer.mm b/platform/darwin/core/local_glyph_rasterizer.mm
index 340fbb62a..a1e0b56dc 100644
--- a/platform/darwin/core/local_glyph_rasterizer.mm
+++ b/platform/darwin/core/local_glyph_rasterizer.mm
@@ -266,8 +266,8 @@ PremultipliedImage drawGlyphBitmap(GlyphID glyphID, CTFontRef font, GlyphMetrics
     CFArrayRef glyphRuns = CTLineGetGlyphRuns(*line);
     CTRunRef glyphRun = (CTRunRef)CFArrayGetValueAtIndex(glyphRuns, 0);
     CFRange wholeRunRange = CFRangeMake(0, CTRunGetGlyphCount(glyphRun));
-    CGSize advances[wholeRunRange.length];
-    CTRunGetAdvances(glyphRun, wholeRunRange, advances);
+    std::vector<CGSize> advances(wholeRunRange.length);
+    CTRunGetAdvances(glyphRun, wholeRunRange, advances.data());
     metrics.advance = std::round(advances[0].width);
 
     // Mimic glyph PBF metrics.
diff --git a/src/mbgl/mtl/buffer_resource.cpp b/src/mbgl/mtl/buffer_resource.cpp
index 5ac407167..f60528445 100644
--- a/src/mbgl/mtl/buffer_resource.cpp
+++ b/src/mbgl/mtl/buffer_resource.cpp
@@ -184,7 +184,7 @@ void BufferResource::updateVertexBindOffset(const MTLRenderCommandEncoderPtr& en
     // The documentation for `setVertexBufferOffset` indicates that it should work for buffers
     // assigned using `setVertexBytes` but, in practice, it produces a validation failure:
     // `Set Vertex Buffer Offset Validation index(1) must have an existing buffer.`
-    if (const auto* mtlBuf = buffer.get()) {
+    if (buffer.get()) {
         encoder->setVertexBufferOffset(offset, index);
     } else {
         bindVertex(encoder, offset, index, size_);
@@ -195,7 +195,7 @@ void BufferResource::updateFragmentBindOffset(const MTLRenderCommandEncoderPtr&
                                               std::size_t offset,
                                               std::size_t index,
                                               std::size_t size_) const noexcept {
-    if (const auto* mtlBuf = buffer.get()) {
+    if (buffer.get()) {
         encoder->setFragmentBufferOffset(offset, index);
     } else {
         bindFragment(encoder, offset, index, size_);
diff --git a/src/mbgl/mtl/context.cpp b/src/mbgl/mtl/context.cpp
index 23624fcb3..b0ccfb116 100644
--- a/src/mbgl/mtl/context.cpp
+++ b/src/mbgl/mtl/context.cpp
@@ -605,12 +605,12 @@ MTLDepthStencilStatePtr Context::makeDepthStencilState(const gfx::DepthMode& dep
         // `Draw Errors Validation MTLDepthStencilDescriptor sets depth test but MTLRenderPassDescriptor has a nil
         // depthAttachment texture`
         if (auto* depthTarget = rpd->depthAttachment()) {
-            if (auto* tex = depthTarget->texture()) {
+            if (depthTarget->texture()) {
                 applyDepthMode(depthMode, depthStencilDescriptor.get());
             }
         }
         if (auto* stencilTarget = rpd->stencilAttachment()) {
-            if (auto* tex = stencilTarget->texture()) {
+            if (stencilTarget->texture()) {
                 auto stencilDescriptor = NS::TransferPtr(MTL::StencilDescriptor::alloc()->init());
                 if (!stencilDescriptor) {
                     return {};