diff --git a/components/configfile/.gitignore b/components/configfile/.gitignore
new file mode 100644
index 000000000..f76429b0f
--- /dev/null
+++ b/components/configfile/.gitignore
@@ -0,0 +1,3 @@
+icinga_lexer.cc
+icinga_parser.cc
+icinga_parser.h
diff --git a/components/configfile/icinga_lexer.ll b/components/configfile/icinga_lexer.ll
index e15183bfb..36af88fc6 100644
--- a/components/configfile/icinga_lexer.ll
+++ b/components/configfile/icinga_lexer.ll
@@ -1,7 +1,7 @@
 %{
 #include <iostream>
 #include "configcontext.h"
-#include "icinga.tab.h"
+#include "icinga_parser.h"
 
 #define YY_EXTRA_TYPE ConfigContext *
 #define YY_USER_ACTION yylloc->first_line = yylineno;
@@ -14,7 +14,6 @@ do {						\
 %}
 
 %option reentrant noyywrap yylineno
-%option prefix="icinga"
 %option bison-bridge bison-locations
 
 %x IN_C_COMMENT
diff --git a/components/configfile/icinga_parser.yy b/components/configfile/icinga_parser.yy
index fc6adb1a6..744172ec9 100644
--- a/components/configfile/icinga_parser.yy
+++ b/components/configfile/icinga_parser.yy
@@ -1,5 +1,4 @@
 %pure-parser
-%name-prefix="icinga"
 
 %locations
 %defines
@@ -32,9 +31,9 @@
 #include <iostream>
 #include "configcontext.h"
 
-int icingalex(YYSTYPE *lvalp, YYLTYPE *llocp, void *scanner);
+int yylex(YYSTYPE *lvalp, YYLTYPE *llocp, void *scanner);
 
-void icingaerror(YYLTYPE *locp, ConfigContext *context, const char *err)
+void yyerror(YYLTYPE *locp, ConfigContext *context, const char *err)
 {
 	std::cout << locp->first_line << ":" << locp->first_column
 	    << "-"