diff --git a/src/p_effect.cpp b/src/p_effect.cpp
index 44dc17971..e0679338d 100644
--- a/src/p_effect.cpp
+++ b/src/p_effect.cpp
@@ -273,7 +273,7 @@ void P_ThinkParticles ()
 		auto oldtrans = particle->alpha;
 		particle->alpha -= particle->fadestep;
 		particle->size += particle->sizestep;
-		if (oldtrans < particle->alpha || --particle->ttl <= 0 || (particle->size <= 0))
+		if (particle->alpha <= 0 || oldtrans < particle->alpha || --particle->ttl <= 0 || (particle->size <= 0))
 		{ // The particle has expired, so free it
 			memset (particle, 0, sizeof(particle_t));
 			if (prev)
diff --git a/src/p_sight.cpp b/src/p_sight.cpp
index 40a392f32..9ee543c8a 100644
--- a/src/p_sight.cpp
+++ b/src/p_sight.cpp
@@ -821,11 +821,6 @@ bool P_CheckSight (AActor *t1, AActor *t2, int flags)
 		return false;
 	}
 
-	if (t2->player)
-	{
-		int a = 0;
-	}
-
 	const sector_t *s1 = t1->Sector;
 	const sector_t *s2 = t2->Sector;
 	int pnum = int(s1->Index()) * level.sectors.Size() + int(s2->Index());