diff --git a/code/_onclick/hud/human.dm b/code/_onclick/hud/human.dm
index 75fa0d9b448..fbba17c7b6b 100644
--- a/code/_onclick/hud/human.dm
+++ b/code/_onclick/hud/human.dm
@@ -43,8 +43,7 @@
 
 
 /mob/living/carbon/human/proc/remake_hud() //used for preference changes mid-round; can't change hud icons without remaking the hud.
-	if(hud_used)
-		QDEL_NULL(hud_used)
+	QDEL_NULL(hud_used)
 	create_mob_hud()
 	if(hud_used)
 		hud_used.show_hud(hud_used.hud_version)
diff --git a/code/game/dna/genes/monkey.dm b/code/game/dna/genes/monkey.dm
index bae2c22a95c..52cd4226327 100644
--- a/code/game/dna/genes/monkey.dm
+++ b/code/game/dna/genes/monkey.dm
@@ -42,8 +42,7 @@
 
 	H.set_species(H.species.primitive_form)
 
-	if(H.hud_used)
-		QDEL_NULL(H.hud_used)
+	QDEL_NULL(H.hud_used)
 
 	if(H.client)
 		H.hud_used = new /datum/hud/monkey(H, ui_style2icon(H.client.prefs.UI_style), H.client.prefs.UI_style_color, H.client.prefs.UI_style_alpha)
@@ -88,8 +87,7 @@
 	H.real_name = H.dna.real_name
 	H.name = H.real_name
 
-	if(H.hud_used)
-		QDEL_NULL(H.hud_used)
+	QDEL_NULL(H.hud_used)
 
 	if(H.client)
 		H.hud_used = new /datum/hud/human(H, ui_style2icon(H.client.prefs.UI_style), H.client.prefs.UI_style_color, H.client.prefs.UI_style_alpha)
diff --git a/code/game/gamemodes/gameticker.dm b/code/game/gamemodes/gameticker.dm
index 2599bea7e5a..fb4ba668bef 100644
--- a/code/game/gamemodes/gameticker.dm
+++ b/code/game/gamemodes/gameticker.dm
@@ -327,8 +327,7 @@ var/round_start_time = 0
 	//If its actually the end of the round, wait for it to end.
 	//Otherwise if its a verb it will continue on afterwards.
 	spawn(300)
-		if(cinematic)
-			QDEL_NULL(cinematic)		//end the cinematic
+		QDEL_NULL(cinematic)		//end the cinematic
 		if(temp_buckle)
 			qdel(temp_buckle)	//release everybody
 
diff --git a/code/game/machinery/computer/medical.dm b/code/game/machinery/computer/medical.dm
index 06f4d60c702..d016a0df7bd 100644
--- a/code/game/machinery/computer/medical.dm
+++ b/code/game/machinery/computer/medical.dm
@@ -198,8 +198,7 @@
 							if("op")
 								active2.fields["b_type"] = "O+"
 				if("del_r2")
-					if(active2)
-						QDEL_NULL(active2)
+					QDEL_NULL(active2)
 
 	if(href_list["scan"])
 		if(scan)
diff --git a/code/game/machinery/computer/security.dm b/code/game/machinery/computer/security.dm
index 7147612e9dc..c4aefaa555d 100644
--- a/code/game/machinery/computer/security.dm
+++ b/code/game/machinery/computer/security.dm
@@ -157,8 +157,7 @@
 						if(R.fields["name"] == active1.fields["name"] && R.fields["id"] == active1.fields["id"])
 							qdel(R)
 					QDEL_NULL(active1)
-				if(active2)
-					QDEL_NULL(active2)
+				QDEL_NULL(active2)
 				update_all_mob_security_hud()
 				screen = SEC_DATA_R_LIST
 			if("criminal")
diff --git a/code/modules/food_and_drinks/drinks/bottler/bottler.dm b/code/modules/food_and_drinks/drinks/bottler/bottler.dm
index 7c930f26f16..7b97e22f142 100644
--- a/code/modules/food_and_drinks/drinks/bottler/bottler.dm
+++ b/code/modules/food_and_drinks/drinks/bottler/bottler.dm
@@ -286,8 +286,7 @@
 		drink_container.desc = "[recipe_to_use.description]"
 	flick("bottler_on", src)
 	spawn(45)
-		for(var/i = 1, i <= slots.len, i++)
-			QDEL_NULL(slots[i])
+		QDEL_LIST_ASSOC_VAL(slots)
 		bottling = 0
 		drink_container.forceMove(loc)
 		updateUsrDialog()
diff --git a/code/modules/modular_computers/laptop_vendor.dm b/code/modules/modular_computers/laptop_vendor.dm
index 9ae0e6c981c..81281fe3dcc 100644
--- a/code/modules/modular_computers/laptop_vendor.dm
+++ b/code/modules/modular_computers/laptop_vendor.dm
@@ -31,10 +31,8 @@
 /obj/machinery/lapvend/proc/reset_order()
 	state = 0
 	devtype = 0
-	if(fabricated_laptop)
-		QDEL_NULL(fabricated_laptop)
-	if(fabricated_tablet)
-		QDEL_NULL(fabricated_tablet)
+	QDEL_NULL(fabricated_laptop)
+	QDEL_NULL(fabricated_tablet)
 	dev_cpu = 1
 	dev_battery = 1
 	dev_disk = 1
diff --git a/code/modules/ninja/suit/suit_initialisation.dm b/code/modules/ninja/suit/suit_initialisation.dm
index 6e04abf3134..59303b4707c 100644
--- a/code/modules/ninja/suit/suit_initialisation.dm
+++ b/code/modules/ninja/suit/suit_initialisation.dm
@@ -28,8 +28,8 @@
 
 			sleep(10)
 			to_chat(usr, "<span style='color: #0000ff;'>Disconnecting neural-net interface...</span> <span style='color: #32CD32'><b>Success</b>.</span>")
-			if(usr.hud_used)
-				QDEL_NULL(usr.hud_used)
+
+			QDEL_NULL(usr.hud_used)
 			usr.create_mob_hud()
 			usr.regenerate_icons()
 
@@ -63,8 +63,8 @@
 
 			sleep(5)
 			to_chat(usr, "<span style='color: #0000ff;'>Suit secured, extending neural-net interface...</span>")
-			if(usr.hud_used)
-				QDEL_NULL(usr.hud_used)
+
+			QDEL_NULL(usr.hud_used)
 			usr.hud_used = new /datum/hud/human(usr, 'icons/mob/screen_ninja.dmi', "#ffffff", 255)
 			if(usr.hud_used)
 				usr.hud_used.show_hud(usr.hud_used.hud_version)