diff --git a/pxr/imaging/hgiMetal/graphicsCmds.mm b/pxr/imaging/hgiMetal/graphicsCmds.mm
index bd879d68a0..8f462babf0 100644
--- a/pxr/imaging/hgiMetal/graphicsCmds.mm
+++ b/pxr/imaging/hgiMetal/graphicsCmds.mm
@@ -111,11 +111,13 @@
     // The GPU culling pass is only a vertex shader, so it doesn't have any
     // render targets bound to it.  To prevent an API validation error, set
     // some default values for the target.
+#if (defined(__MAC_10_15) && __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_15)
     if (!desc.HasAttachments()) {
         _renderPassDescriptor.renderTargetWidth = 256;
         _renderPassDescriptor.renderTargetHeight = 256;
         _renderPassDescriptor.defaultRasterSampleCount = 1;
     }
+#endif
 
     // Color attachments
     bool resolvingColor = !desc.colorResolveTextures.empty();
diff --git a/pxr/imaging/hgiMetal/shaderFunction.mm b/pxr/imaging/hgiMetal/shaderFunction.mm
index 8c77c51f5d..e756599b71 100644
--- a/pxr/imaging/hgiMetal/shaderFunction.mm
+++ b/pxr/imaging/hgiMetal/shaderFunction.mm
@@ -51,7 +51,11 @@
         options.fastMathEnabled = YES;
 
         if (@available(macOS 10.15, ios 13.0, *)) {
+#if (defined(__MAC_10_15) && __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_15)
             options.languageVersion = MTLLanguageVersion2_2;
+#else
+            options.languageVersion = MTLLanguageVersion2_1;
+#endif
         } else {
             options.languageVersion = MTLLanguageVersion2_1;
         }