diff --git a/app/bin/processing/app/preproc/ExtendedCommonASTWithHiddenTokens.class b/app/bin/processing/app/preproc/ExtendedCommonASTWithHiddenTokens.class
deleted file mode 100644
index 7729670cf..000000000
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diff --git a/app/bin/processing/app/preproc/JavaTokenTypes.class b/app/bin/processing/app/preproc/JavaTokenTypes.class
deleted file mode 100644
index 49c9763f4..000000000
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diff --git a/app/bin/processing/app/preproc/JavaTokenTypes.txt b/app/bin/processing/app/preproc/JavaTokenTypes.txt
deleted file mode 100644
index 103e2822a..000000000
--- a/app/bin/processing/app/preproc/JavaTokenTypes.txt
+++ /dev/null
@@ -1,151 +0,0 @@
-// $ANTLR 2.7.7 (2006-11-01): java.g -> JavaTokenTypes.txt$
-Java    // output token vocab name
-BLOCK=4
-MODIFIERS=5
-OBJBLOCK=6
-SLIST=7
-CTOR_DEF=8
-METHOD_DEF=9
-VARIABLE_DEF=10
-INSTANCE_INIT=11
-STATIC_INIT=12
-TYPE=13
-CLASS_DEF=14
-INTERFACE_DEF=15
-PACKAGE_DEF=16
-ARRAY_DECLARATOR=17
-EXTENDS_CLAUSE=18
-IMPLEMENTS_CLAUSE=19
-PARAMETERS=20
-PARAMETER_DEF=21
-LABELED_STAT=22
-TYPECAST=23
-INDEX_OP=24
-POST_INC=25
-POST_DEC=26
-METHOD_CALL=27
-EXPR=28
-ARRAY_INIT=29
-IMPORT=30
-UNARY_MINUS=31
-UNARY_PLUS=32
-CASE_GROUP=33
-ELIST=34
-FOR_INIT=35
-FOR_CONDITION=36
-FOR_ITERATOR=37
-EMPTY_STAT=38
-FINAL="final"=39
-ABSTRACT="abstract"=40
-STRICTFP="strictfp"=41
-SUPER_CTOR_CALL=42
-CTOR_CALL=43
-LITERAL_package="package"=44
-SEMI=45
-LITERAL_import="import"=46
-LBRACK=47
-RBRACK=48
-LITERAL_void="void"=49
-LITERAL_boolean="boolean"=50
-LITERAL_byte="byte"=51
-LITERAL_char="char"=52
-LITERAL_short="short"=53
-LITERAL_int="int"=54
-LITERAL_float="float"=55
-LITERAL_long="long"=56
-LITERAL_double="double"=57
-IDENT=58
-DOT=59
-STAR=60
-LITERAL_private="private"=61
-LITERAL_public="public"=62
-LITERAL_protected="protected"=63
-LITERAL_static="static"=64
-LITERAL_transient="transient"=65
-LITERAL_native="native"=66
-LITERAL_threadsafe="threadsafe"=67
-LITERAL_synchronized="synchronized"=68
-LITERAL_volatile="volatile"=69
-LITERAL_class="class"=70
-LITERAL_extends="extends"=71
-LITERAL_interface="interface"=72
-LCURLY=73
-RCURLY=74
-COMMA=75
-LITERAL_implements="implements"=76
-LPAREN=77
-RPAREN=78
-LITERAL_this="this"=79
-LITERAL_super="super"=80
-ASSIGN=81
-LITERAL_throws="throws"=82
-COLON=83
-LITERAL_if="if"=84
-LITERAL_else="else"=85
-LITERAL_for="for"=86
-LITERAL_while="while"=87
-LITERAL_do="do"=88
-LITERAL_break="break"=89
-LITERAL_continue="continue"=90
-LITERAL_return="return"=91
-LITERAL_switch="switch"=92
-LITERAL_throw="throw"=93
-LITERAL_assert="assert"=94
-LITERAL_case="case"=95
-LITERAL_default="default"=96
-LITERAL_try="try"=97
-LITERAL_finally="finally"=98
-LITERAL_catch="catch"=99
-PLUS_ASSIGN=100
-MINUS_ASSIGN=101
-STAR_ASSIGN=102
-DIV_ASSIGN=103
-MOD_ASSIGN=104
-SR_ASSIGN=105
-BSR_ASSIGN=106
-SL_ASSIGN=107
-BAND_ASSIGN=108
-BXOR_ASSIGN=109
-BOR_ASSIGN=110
-QUESTION=111
-LOR=112
-LAND=113
-BOR=114
-BXOR=115
-BAND=116
-NOT_EQUAL=117
-EQUAL=118
-LT=119
-GT=120
-LE=121
-GE=122
-LITERAL_instanceof="instanceof"=123
-SL=124
-SR=125
-BSR=126
-PLUS=127
-MINUS=128
-DIV=129
-MOD=130
-INC=131
-DEC=132
-BNOT=133
-LNOT=134
-LITERAL_true="true"=135
-LITERAL_false="false"=136
-LITERAL_null="null"=137
-LITERAL_new="new"=138
-NUM_INT=139
-CHAR_LITERAL=140
-STRING_LITERAL=141
-NUM_FLOAT=142
-NUM_LONG=143
-NUM_DOUBLE=144
-WS=145
-SL_COMMENT=146
-ML_COMMENT=147
-ESC=148
-HEX_DIGIT=149
-VOCAB=150
-EXPONENT=151
-FLOAT_SUFFIX=152
diff --git a/app/bin/processing/app/preproc/TokenStreamCopyingHiddenTokenFilter.class b/app/bin/processing/app/preproc/TokenStreamCopyingHiddenTokenFilter.class
deleted file mode 100644
index 2f4cd9d45..000000000
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