diff --git a/lib/smql_to_ar.rb b/lib/smql_to_ar.rb
index 1eedbd6..fdf32e9 100644
--- a/lib/smql_to_ar.rb
+++ b/lib/smql_to_ar.rb
@@ -107,7 +107,6 @@ class SmqlToAR
 
 	# Model der Relation `rel` von `model`
 	def self.model_of model, rel
-		p model_of: rel.to_sym, model: model
 		r = model.reflections[ rel.to_sym].andand.klass
 		r.nil? && rel === :self ? model : r
 	end
@@ -165,9 +164,7 @@ class SmqlToAR
 
 		def each
 			model = @model
-			p each: self, path: @path
 			@path.each do |rel|
-				p rel: rel
 				unless rel === :self
 					model = SmqlToAR.model_of model, rel
 					return false  unless model
diff --git a/lib/smql_to_ar/condition_types.rb b/lib/smql_to_ar/condition_types.rb
index d91b86a..7349a10 100644
--- a/lib/smql_to_ar/condition_types.rb
+++ b/lib/smql_to_ar/condition_types.rb
@@ -58,9 +58,7 @@ class SmqlToAR
 				conditions.each do |c|
 					raise_unless colop =~ /^(?:\d*:)?(.*?)((?:\W*(?!\])\W)?)$/, UnexpectedColOpError.new( model, colop, val)
 					col, op = $1, $2
-					p col: col, op: op
 					col = split_keys( col).collect {|c| Column.new model, c }
-					p col: col
 					r = c.try_parse model, col, op, val
 					break  if r
 				end
@@ -248,10 +246,9 @@ class SmqlToAR
 					model, *sub = sub
 					t = table + col.path + [col.col]
 					col.joins.each {|j, m| builder.joins table+j, m }
-					p build_t: t
 					builder.joins t, model
 					b2 = 1 == sub.length ? builder : Or.new( builder)
-					sub.each {|i| i.collect( &it.build( And.new( b2), t)); p 'or' => b2 }
+					sub.each {|i| i.collect( &it.build( And.new( b2), t)) }
 				end
 				self
 			end
diff --git a/lib/smql_to_ar/query_builder.rb b/lib/smql_to_ar/query_builder.rb
index 76a6f8f..d6db390 100644
--- a/lib/smql_to_ar/query_builder.rb
+++ b/lib/smql_to_ar/query_builder.rb
@@ -90,7 +90,6 @@ class SmqlToAR
 		end
 
 		def build_join orig, pretable, table, prekey, key
-			p build_join: {orig: orig, pretable: pretable, table: table, prekey: prekey, key: key}, alias: @table_alias
 			" LEFT JOIN #{orig} AS #{quote_table_name table} ON #{column pretable, prekey} = #{column table, key} "
 		end
 
@@ -105,7 +104,6 @@ class SmqlToAR
 			premodel = @table_model[ pretable]
 			t = @table_alias[ table]
 			pt = quote_table_name table[ 0...-1]
-			p table: table
 			refl = premodel.reflections[table.last.to_sym]
 			case refl
 			when ActiveRecord::Reflection::ThroughReflection