diff --git a/src/gallium/drivers/d3d12/d3d12_gs_variant.cpp b/src/gallium/drivers/d3d12/d3d12_gs_variant.cpp
index 7c2842e8959..92d49301d1e 100644
--- a/src/gallium/drivers/d3d12/d3d12_gs_variant.cpp
+++ b/src/gallium/drivers/d3d12/d3d12_gs_variant.cpp
@@ -465,8 +465,7 @@ hash_gs_variant_key(const void *key)
 static bool
 equals_gs_variant_key(const void *a, const void *b)
 {
-   return memcmp(a, b, offsetof(d3d12_gs_variant_key, varyings)) == 0
-      &&  d3d12_compare_varying_info(((d3d12_gs_variant_key*)a)->varyings, ((d3d12_gs_variant_key*)b)->varyings);
+   return memcmp(a, b, sizeof(d3d12_gs_variant_key)) == 0;
 }
 
 void
diff --git a/src/gallium/drivers/d3d12/d3d12_tcs_variant.cpp b/src/gallium/drivers/d3d12/d3d12_tcs_variant.cpp
index 52a34e6f064..e3dd76dc045 100644
--- a/src/gallium/drivers/d3d12/d3d12_tcs_variant.cpp
+++ b/src/gallium/drivers/d3d12/d3d12_tcs_variant.cpp
@@ -41,8 +41,7 @@ hash_tcs_variant_key(const void *key)
 static bool
 equals_tcs_variant_key(const void *a, const void *b)
 {
-   return memcmp(a, b, offsetof(d3d12_tcs_variant_key, varyings)) == 0
-      &&  d3d12_compare_varying_info(((d3d12_tcs_variant_key*)a)->varyings, ((d3d12_tcs_variant_key*)b)->varyings);
+   return memcmp(a, b, sizeof(d3d12_tcs_variant_key)) == 0;
 }
 
 void