diff --git a/source/dub/internal/sdlang/lexer.d b/source/dub/internal/sdlang/lexer.d
index 9b65453..4cc754b 100644
--- a/source/dub/internal/sdlang/lexer.d
+++ b/source/dub/internal/sdlang/lexer.d
@@ -13,7 +13,6 @@
 import std.conv;
 import std.datetime;
 import std.file;
-import std.stream : ByteOrderMarks, BOM;
 import std.traits;
 import std.typecons;
 import std.uni;
@@ -1268,7 +1267,7 @@
 			
 			try
 			{
-				auto timezone = TimeZone.getTimeZone(timezoneStr);
+				auto timezone = PosixTimeZone.getTimeZone(timezoneStr);
 				if(timezone) {
 					static if (__VERSION__ >= 2067) auto fsecs = dateTimeFrac.fracSecs;
 					else auto fsecs = FracSec.from!"hnsecs"(dateTimeFrac.fracSecs.total!"hnsecs");
diff --git a/source/dub/internal/sdlang/util.d b/source/dub/internal/sdlang/util.d
index 7b9f9c8..d73b221 100644
--- a/source/dub/internal/sdlang/util.d
+++ b/source/dub/internal/sdlang/util.d
@@ -85,3 +85,21 @@
 	
 	return "{unknown}";
 }
+
+enum BOM {
+	UTF8,           /// UTF-8
+	UTF16LE,        /// UTF-16 (little-endian)
+	UTF16BE,        /// UTF-16 (big-endian)
+	UTF32LE,        /// UTF-32 (little-endian)
+	UTF32BE,        /// UTF-32 (big-endian)
+}
+
+enum NBOM = __traits(allMembers, BOM).length;
+immutable ubyte[][NBOM] ByteOrderMarks =
+[
+	[0xEF, 0xBB, 0xBF],         //UTF8
+	[0xFF, 0xFE],               //UTF16LE
+	[0xFE, 0xFF],               //UTF16BE
+	[0xFF, 0xFE, 0x00, 0x00],   //UTF32LE
+	[0x00, 0x00, 0xFE, 0xFF]    //UTF32BE
+];