diff --git a/code/_onclick/hud/alert.dm b/code/_onclick/hud/alert.dm
index ca3f223c80d..a5f4a566878 100644
--- a/code/_onclick/hud/alert.dm
+++ b/code/_onclick/hud/alert.dm
@@ -387,7 +387,7 @@ so as to remain in compliance with the most up-to-date laws."
 		return
 	var/paramslist = params2list(params)
 	if(paramslist["shift"]) // screen objects don't do the normal Click() stuff so we'll cheat
-		usr << "<span class='boldnotice'>[name]</span> - <span class='info'>[desc]</span>"
+		to_chat(usr, "<span class='boldnotice'>[name]</span> - <span class='info'>[desc]</span>")
 		return
 	if(master)
 		return usr.client.Click(master, location, control, params)
diff --git a/code/game/objects/items/weapons/dna_injector.dm b/code/game/objects/items/weapons/dna_injector.dm
index ce6707bcdcb..2fc12e812fe 100644
--- a/code/game/objects/items/weapons/dna_injector.dm
+++ b/code/game/objects/items/weapons/dna_injector.dm
@@ -100,7 +100,7 @@
 
 /obj/item/weapon/dnainjector/attack(mob/M as mob, mob/user as mob)
 	if(used)
-		user << "<span class='warning'>This injector is used up!</span>"
+		to_chat(user, "<span class='warning'>This injector is used up!</span>")
 		return
 	if(!M.dna) //You know what would be nice? If the mob you're injecting has DNA, and so doesn't cause runtimes.
 		return 0
@@ -151,7 +151,7 @@
 						"<span class='userdanger'>[user] injects [M] with the syringe with [src]!")
 
 	else
-		user << "<span class='notice'>You inject yourself with [src].</span>"
+		to_chat(user, "<span class='notice'>You inject yourself with [src].</span>")
 
 	inject(M, user)
 	used = 1
diff --git a/code/modules/admin/verbs/map_template_loadverb.dm b/code/modules/admin/verbs/map_template_loadverb.dm
index 4a15552a789..fc010de8a43 100644
--- a/code/modules/admin/verbs/map_template_loadverb.dm
+++ b/code/modules/admin/verbs/map_template_loadverb.dm
@@ -36,7 +36,7 @@
 	if(!map)
 		return
 	if(copytext("[map]",-4) != ".dmm")
-		usr << "Bad map file: [map]"
+		to_chat(usr, "Bad map file: [map]")
 		return
 
 	var/datum/map_template/M = new(map=map, rename="[map]")
diff --git a/code/modules/hydroponics/grown.dm b/code/modules/hydroponics/grown.dm
index 6b770361407..b6dc4eee727 100644
--- a/code/modules/hydroponics/grown.dm
+++ b/code/modules/hydroponics/grown.dm
@@ -293,7 +293,7 @@
 
 /obj/item/weapon/reagent_containers/food/snacks/grown/attack(var/mob/living/carbon/M, var/mob/user, var/def_zone)
 	if(awakening)
-		user << "<span class='warning'>The [src] is twitching and shaking, preventing you from eating it.</span>"
+		to_chat(user, "<span class='warning'>The [src] is twitching and shaking, preventing you from eating it.</span>")
 		return
 	if(user == M)
 		return ..()
@@ -451,7 +451,7 @@
 			if("killertomato")
 				if(awakening || istype(user.loc,/turf/space))
 					return
-				user << "<span class='notice'>You begin to awaken the Killer Tomato...</span>"
+				to_chat(user, "<span class='notice'>You begin to awaken the Killer Tomato...</span>")
 				awakening = 1
 
 				spawn(30)
diff --git a/code/modules/mob/living/carbon/carbon.dm b/code/modules/mob/living/carbon/carbon.dm
index 26def9b6520..5425791acc0 100644
--- a/code/modules/mob/living/carbon/carbon.dm
+++ b/code/modules/mob/living/carbon/carbon.dm
@@ -761,7 +761,7 @@ var/list/ventcrawl_machinery = list(/obj/machinery/atmospherics/unary/vent_pump,
 			buckled.user_unbuckle_mob(src,src)
 		else
 			if(src && buckled)
-				src << "<span class='warning'>You fail to unbuckle yourself!</span>"
+				to_chat(src, "<span class='warning'>You fail to unbuckle yourself!</span>")
 	else
 		buckled.user_unbuckle_mob(src,src)
 
diff --git a/code/modules/pda/ai.dm b/code/modules/pda/ai.dm
index 49cadaf7d1e..bb6bd8e7e63 100644
--- a/code/modules/pda/ai.dm
+++ b/code/modules/pda/ai.dm
@@ -99,6 +99,6 @@
 	if(!istype(pAI))
 		return 0
 	if(!pAI.software["messenger"])
-		usr << "<span class='warning'>You have not purchased the digital messenger!</span>"
+		to_chat(usr, "<span class='warning'>You have not purchased the digital messenger!</span>")
 		return 0
 	return ..() && !pAI.silence_time
\ No newline at end of file