work

code/modules/reagents/reagent_containers/food/snacks.dm

@@ -90,8 +90,6 @@
 					user << "<span class='warning'>\The [blocked] is in the way!</span>"
 					return
 
-			if(!istype(M, /mob/living/carbon/slime))		//If you're feeding it to someone else.
-
 				if (fullness <= (550 * (1 + M.overeatduration / 1000)))
 					user.visible_message("<span class='danger'>[user] attempts to feed [M] [src].</span>")
 				else

code/modules/reagents/reagent_containers/glass.dm

@@ -42,8 +42,7 @@
 		/obj/machinery/smartfridge/,
 		/obj/machinery/biogenerator,
 		/obj/structure/frame,
-		/obj/machinery/radiocarbon_spectrometer,
-		/obj/machinery/xenobio2/manualinjector
+		/obj/machinery/radiocarbon_spectrometer
 		)
 
 /obj/item/weapon/reagent_containers/glass/New()

code/modules/reagents/reagent_containers/syringes.dm

@@ -79,9 +79,6 @@
 					user << "<span class='notice'>There is already a blood sample in this syringe.</span>"
 					return
 				if(istype(target, /mob/living/carbon))
-					if(istype(target, /mob/living/carbon/slime))
-						user << "<span class='warning'>You are unable to locate any blood.</span>"
-						return
 					var/amount = reagents.get_free_space()
 					var/mob/living/carbon/T = target
 					if(!T.dna)