diff --git a/code/ATMOSPHERICS/components/binary_devices/passive_gate.dm b/code/ATMOSPHERICS/components/binary_devices/passive_gate.dm
index aee6b2fa37a..a936bdd4ae6 100644
--- a/code/ATMOSPHERICS/components/binary_devices/passive_gate.dm
+++ b/code/ATMOSPHERICS/components/binary_devices/passive_gate.dm
@@ -8,7 +8,6 @@ obj/machinery/atmospherics/binary/passive_gate
 	desc = "A one-way air valve that does not require power"
 
 	var/on = 0
-	var/target_pressure = ONE_ATMOSPHERE
 
 	update_icon()
 		if(node1&&node2)
@@ -32,14 +31,14 @@ obj/machinery/atmospherics/binary/passive_gate
 		var/output_starting_pressure = air2.return_pressure()
 		var/input_starting_pressure = air1.return_pressure()
 
-		if(output_starting_pressure >= min(target_pressure,input_starting_pressure-10))
-			//No need to pump gas if target is already reached or input pressure is too low
-			//Need at least 10 KPa difference to overcome friction in the mechanism
+		if(input_starting_pressure - output_starting_pressure < 1)
+			//No need to pump gas if input pressure is too low
+			//Need at least 1 KPa difference to overcome friction in the mechanism
 			return 1
 
 		//Calculate necessary moles to transfer using PV = nRT
 		if((air1.total_moles() > 0) && (air1.temperature>0))
-			var/pressure_delta = min(target_pressure - output_starting_pressure, (input_starting_pressure - output_starting_pressure)/2)
+			var/pressure_delta = (input_starting_pressure - output_starting_pressure)/2
 			//Can not have a pressure delta that would cause output_pressure > input_pressure
 
 			var/transfer_moles = pressure_delta*air2.volume/(air1.temperature * R_IDEAL_GAS_EQUATION)
diff --git a/code/game/magic/archived_book.dm b/code/game/magic/archived_book.dm
index 8443444aa38..d8452caa832 100644
--- a/code/game/magic/archived_book.dm
+++ b/code/game/magic/archived_book.dm
@@ -1,6 +1,7 @@
 #define BOOK_VERSION_MIN	1
 #define BOOK_VERSION_MAX	2
 #define BOOK_PATH			"data/books/"
+#define BOOKS_USE_SQL		0				// no guarentee for this branch to work right with sql
 
 var/global/datum/book_manager/book_mgr = new()
 
@@ -41,7 +42,7 @@ datum/book_manager/proc/freeid()
 	if(!isbn)
 		return
 
-	if(config.sql_enabled)
+	if(BOOKS_USE_SQL && config.sql_enabled)
 		var/DBConnection/dbcon = new()
 		dbcon.Connect("dbi:mysql:[sqldb]:[sqladdress]:[sqlport]","[sqllogin]","[sqlpass]")
 		if(!dbcon.IsConnected())
diff --git a/code/game/magic/library.dm b/code/game/magic/library.dm
index b99bf925756..4cdef6e855d 100644
--- a/code/game/magic/library.dm
+++ b/code/game/magic/library.dm
@@ -2,17 +2,6 @@
 //
 //	Library SQL Configuration
 //
-//*******************************
-
-// Deprecated! See global.dm for new SQL config vars -- TLE
-/*
-#define SQL_ADDRESS ""
-#define SQL_DB ""
-#define SQL_PORT "3306"
-#define SQL_LOGIN ""
-#define SQL_PASS ""
-*/
-
 //*******************************
 // Requires Dantom.DB library ( http://www.byond.com/developer/Dantom/DB )
 
@@ -499,7 +488,7 @@ datum/borrowbook // Datum used to keep track of who has borrowed what when and f
 			dat += "<A href='?src=\ref[src];setauthor=1'>Filter by Author: [author]</A><BR>"
 			dat += "<A href='?src=\ref[src];search=1'>\[Start Search\]</A><BR>"
 		if(1)
-			if(config.sql_enabled)
+			if(BOOKS_USE_SQL && config.sql_enabled)
 				var/DBConnection/dbcon = new()
 				dbcon.Connect("dbi:mysql:[sqldb]:[sqladdress]:[sqlport]","[sqllogin]","[sqlpass]")
 				if(!dbcon.IsConnected())
@@ -563,7 +552,7 @@ datum/borrowbook // Datum used to keep track of who has borrowed what when and f
 			author = null
 		author = dd_replacetext(author, "'", "''")
 	if(href_list["search"])
-		if(config.sql_enabled)
+		if(BOOKS_USE_SQL && config.sql_enabled)
 			SQLquery = "SELECT author, title, category, id FROM library WHERE "
 			if(category == "Any")
 				SQLquery += "author LIKE '%[author]%' AND title LIKE '%[title]%'"
@@ -659,7 +648,7 @@ datum/borrowbook // Datum used to keep track of who has borrowed what when and f
 			dat += "<A href='?src=\ref[src];switchscreen=0'>(Return to main menu)</A><BR>"
 		if(4)
 			dat += "<h3>External Archive</h3>"
-			if(config.sql_enabled)
+			if(BOOKS_USE_SQL && config.sql_enabled)
 				var/DBConnection/dbcon = new()
 				dbcon.Connect("dbi:mysql:[sqldb]:[sqladdress]:[sqlport]","[sqllogin]","[sqlpass]")
 				if(!dbcon.IsConnected())
@@ -821,7 +810,7 @@ datum/borrowbook // Datum used to keep track of who has borrowed what when and f
 			if(scanner.cache)
 				var/choice = input("Are you certain you wish to upload this title to the Archive?") in list("Confirm", "Abort")
 				if(choice == "Confirm")
-					if(config.sql_enabled)
+					if(BOOKS_USE_SQL && config.sql_enabled)
 						var/DBConnection/dbcon = new()
 						dbcon.Connect("dbi:mysql:[sqldb]:[sqladdress]:[sqlport]","[sqllogin]","[sqlpass]")
 						if(!dbcon.IsConnected())
@@ -868,7 +857,7 @@ datum/borrowbook // Datum used to keep track of who has borrowed what when and f
 						log_game("[usr.name]/[usr.key] has uploaded the book titled [scanner.cache.name], [length(scanner.cache.dat)] signs")
 						alert("Upload Complete.")
 	if(href_list["targetid"])
-		if(config.sql_enabled)
+		if(BOOKS_USE_SQL && config.sql_enabled)
 			var/sqlid = href_list["targetid"]
 			var/DBConnection/dbcon = new()
 			dbcon.Connect("dbi:mysql:[sqldb]:[sqladdress]:[sqlport]","[sqllogin]","[sqlpass]")
diff --git a/icons/obj/atmospherics/passive_gate.dmi b/icons/obj/atmospherics/passive_gate.dmi
index 806a0ce6450..d0dc55335c2 100644
Binary files a/icons/obj/atmospherics/passive_gate.dmi and b/icons/obj/atmospherics/passive_gate.dmi differ