diff --git a/src/TableReader.jl b/src/TableReader.jl
index fa5bc95..3fcb738 100644
--- a/src/TableReader.jl
+++ b/src/TableReader.jl
@@ -785,36 +785,33 @@ function _precompile_()
     precompile(Tuple{typeof(TableReader.scanheader), TranscodingStreams.Memory, TableReader.LexerParameters})
     precompile(Tuple{typeof(TableReader.bufferlines), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}})
     precompile(Tuple{typeof(TableReader.checkformat), Base.IOStream})
-    precompile(Tuple{getfield(TableReader, Symbol("##24#29")), Base.Process})
+    precompile(Tuple{typeof(TableReader.checkformat), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}})
+    precompile(Tuple{typeof(TableReader.fillcolumn!), Array{Int64, 1}, Int64, TranscodingStreams.Memory, Array{TableReader.Token, 2}, Int64, UInt8})
     precompile(Tuple{typeof(TableReader.skipcommentlines), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}, String})
+    precompile(Tuple{typeof(TableReader.readdlm_internal), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}, TableReader.LexerParameters})
     precompile(Tuple{typeof(TableReader.skipblanklines), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}, Bool})
-    precompile(Tuple{typeof(TableReader.fillcolumn!), Array{Int64, 1}, Int64, TranscodingStreams.Memory, Array{TableReader.Token, 2}, Int64, UInt8})
-    precompile(Tuple{typeof(TableReader.checkformat), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}})
     precompile(Tuple{typeof(TableReader.fillcolumn!), Array{Float64, 1}, Int64, TranscodingStreams.Memory, Array{TableReader.Token, 2}, Int64, UInt8})
-    precompile(Tuple{typeof(TableReader.readdlm_internal), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}, TableReader.LexerParameters})
     precompile(Tuple{typeof(TableReader.qstring), TranscodingStreams.Memory, Int64, Int64, UInt8})
     precompile(Tuple{typeof(TableReader.summarizecolumns), Array{TableReader.Token, 2}, Int64})
     precompile(Tuple{typeof(TableReader.checkformat), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.Process}})
+    precompile(Tuple{typeof(TableReader.guessdelimiter), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}, TableReader.LexerParameters})
+    precompile(Tuple{typeof(TableReader.wrapstream), Base.IOStream, TableReader.LexerParameters})
     precompile(Tuple{typeof(TableReader.parse_date), Array{String, 1}})
     precompile(Tuple{typeof(TableReader.parse_datetime), Array{String, 1}, Bool})
-    precompile(Tuple{typeof(TableReader.wrapstream), Base.Process, TableReader.LexerParameters})
-    precompile(Tuple{typeof(TableReader.wrapstream), Base.IOStream, TableReader.LexerParameters})
     precompile(Tuple{typeof(TableReader.checkformat), Base.Process})
-    precompile(Tuple{getfield(TableReader, Symbol("##25#30")), Base.IOStream})
-    precompile(Tuple{typeof(TableReader.allocate!), TableReader.StringCache, Ptr{UInt8}, Int64})
+    precompile(Tuple{typeof(TableReader.is_datetime_like), Array{String, 1}})
     precompile(Tuple{typeof(TableReader.fillcolumn!), Array{String, 1}, Int64, TranscodingStreams.Memory, Array{TableReader.Token, 2}, Int64, UInt8})
     precompile(Tuple{typeof(TableReader.is_date_like), Array{String, 1}})
-    precompile(Tuple{typeof(TableReader.is_datetime_like), Array{String, 1}})
+    precompile(Tuple{typeof(TableReader.allocate!), TableReader.StringCache, Ptr{UInt8}, Int64})
+    precompile(Tuple{typeof(TableReader.wrapstream), Base.Process, TableReader.LexerParameters})
     precompile(Tuple{typeof(TableReader.skip_unwanted_lines), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}, TableReader.LexerParameters})
-    precompile(Tuple{typeof(TableReader.countbytes), TranscodingStreams.Memory, UInt8})
+    isdefined(TableReader, Symbol("##readcsv#14")) && precompile(Tuple{getfield(TableReader, Symbol("##readcsv#14")), Char, Char, Bool, Bool, Int64, Bool, String, Nothing, Bool, Bool, Int64, Nothing, typeof(TableReader.readcsv), String})
     precompile(Tuple{typeof(TableReader.parse_datetime), Array{Union{Base.Missing, String}, 1}, Bool})
-    precompile(Tuple{getfield(TableReader, Symbol("##readcsv#14")), Char, Char, Bool, Bool, Int64, Bool, String, Nothing, Bool, Bool, Int64, Nothing, typeof(TableReader.readcsv), String})
+    precompile(Tuple{typeof(TableReader.countbytes), TranscodingStreams.Memory, UInt8})
     precompile(Tuple{typeof(TableReader.parse_date), Array{Union{Base.Missing, String}, 1}})
-    precompile(Tuple{typeof(TableReader.skiplines), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}, Int64})
-    precompile(Tuple{getfield(TableReader, Symbol("##readtsv#23")), Char, Char, Bool, Bool, Int64, Bool, String, Nothing, Bool, Bool, Int64, Nothing, typeof(TableReader.readtsv), String})
     precompile(Tuple{typeof(TableReader.normalizename), String})
-    precompile(Tuple{getfield(TableReader, Symbol("##15#20")), Base.Process})
-    precompile(Tuple{getfield(TableReader, Symbol("##16#21")), Base.IOStream})
+    precompile(Tuple{typeof(TableReader.skiplines), TranscodingStreams.TranscodingStream{TranscodingStreams.Noop, Base.IOStream}, Int64})
+    isdefined(TableReader, Symbol("##readtsv#23")) && precompile(Tuple{getfield(TableReader, Symbol("##readtsv#23")), Char, Char, Bool, Bool, Int64, Bool, String, Nothing, Bool, Bool, Int64, Nothing, typeof(TableReader.readtsv), String})
     precompile(Tuple{typeof(TableReader.readcsv), String})
     precompile(Tuple{typeof(TableReader.readtsv), String})
 end