diff --git a/source/build/include/build.h b/source/build/include/build.h
index d2cc9ac7b..aded26a33 100644
--- a/source/build/include/build.h
+++ b/source/build/include/build.h
@@ -405,7 +405,7 @@ int32_t try_facespr_intersect(uspriteptr_t const spr, vec3_t const in,
 #define INITIALUPDATESECTORDIST 256
 void updatesector(int const x, int const y, int * const sectnum) ATTRIBUTE((nonnull(3)));
 [[deprecated]] 
-inline void updatesector(int32_t const x, int32_t const y, int16_t * const sectnum) ATTRIBUTE((nonnull(3)))
+inline void updatesector(int32_t const x, int32_t const y, int16_t * const sectnum)
 {
 	int snum = *sectnum;
 	updatesector(x, y, &snum);
diff --git a/source/common/2d/v_2ddrawer.h b/source/common/2d/v_2ddrawer.h
index f662de7ac..ab87085f5 100644
--- a/source/common/2d/v_2ddrawer.h
+++ b/source/common/2d/v_2ddrawer.h
@@ -132,7 +132,7 @@ public:
 
 		RenderCommand()
 		{
-			memset(this, 0, sizeof(*this));
+			memset((void*)this, 0,  sizeof(*this));
 		}
 
 		// If these fields match, two draw commands can be batched.