diff --git a/src/gfxstream/codegen/scripts/cereal/counting.py b/src/gfxstream/codegen/scripts/cereal/counting.py
index 08504fe0a98..2738f0d8bdd 100644
--- a/src/gfxstream/codegen/scripts/cereal/counting.py
+++ b/src/gfxstream/codegen/scripts/cereal/counting.py
@@ -78,6 +78,7 @@ class VulkanCountingCodegen(VulkanTypeIterator):
                 makeVulkanTypeSimple(False, "uint64_t", 1, paramName=handle64Var)
         else:
             self.cgen.stmt("uint64_t %s" % handle64Var)
+            self.cgen.stmt("(void)%s" % handle64Var)
             handle64VarAccess = "&%s" % handle64Var
             handle64VarType = \
                 makeVulkanTypeSimple(False, "uint64_t", 0, paramName=handle64Var)
diff --git a/src/gfxstream/codegen/scripts/cereal/marshaling.py b/src/gfxstream/codegen/scripts/cereal/marshaling.py
index 800552ad901..01a41bbe9ee 100644
--- a/src/gfxstream/codegen/scripts/cereal/marshaling.py
+++ b/src/gfxstream/codegen/scripts/cereal/marshaling.py
@@ -195,6 +195,7 @@ class VulkanMarshalingCodegen(VulkanTypeIterator):
             checkName = "check_%s" % vulkanType.paramName
             self.cgen.stmt("%s %s" % (
                 self.cgen.makeCTypeDecl(vulkanType, useParamName = False), checkName))
+            self.cgen.stmt("(void)%s" % checkName)
             checkAccess = checkName
             addrExpr = "&" + checkAccess
             sizeExpr = self.cgen.sizeofExpr(vulkanType)