diff --git a/src/test/confidence/lola/LSB.h b/src/test/confidence/lola/LSB.h
deleted file mode 100644
index 86a5f7ce..00000000
--- a/src/test/confidence/lola/LSB.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* voc  1.2 [2016/06/16] for gcc LP64 on cygwin xtpka */
-
-#ifndef LSB__h
-#define LSB__h
-
-#define LARGE
-#include "SYSTEM.h"
-
-typedef
-	struct LSB_ArrayTypeDesc *LSB_ArrayType;
-
-typedef
-	struct LSB_ObjDesc *LSB_Object;
-
-typedef
-	struct LSB_TypeDesc {
-		LONGINT len, size;
-		LSB_Object typobj;
-	} LSB_TypeDesc;
-
-typedef
-	LSB_TypeDesc *LSB_Type;
-
-typedef
-	struct LSB_ArrayTypeDesc { /* LSB_TypeDesc */
-		LONGINT len, size;
-		LSB_Object typobj;
-		LSB_Type eltyp;
-	} LSB_ArrayTypeDesc;
-
-typedef
-	struct LSB_ItemDesc *LSB_Item;
-
-typedef
-	struct LSB_ItemDesc {
-		INTEGER tag;
-		LSB_Type type;
-		LONGINT val, size;
-		LSB_Item a, b;
-	} LSB_ItemDesc;
-
-typedef
-	struct LSB_ObjDesc { /* LSB_ItemDesc */
-		INTEGER tag;
-		LSB_Type type;
-		LONGINT val, size;
-		LSB_Item a, b;
-		LSB_Object next;
-		CHAR name[32];
-		BOOLEAN marked;
-	} LSB_ObjDesc;
-
-typedef
-	struct LSB_UnitTypeDesc *LSB_UnitType;
-
-typedef
-	struct LSB_UnitTypeDesc { /* LSB_TypeDesc */
-		LONGINT len, size;
-		LSB_Object typobj;
-		LSB_Object firstobj;
-	} LSB_UnitTypeDesc;
-
-
-import LSB_Object LSB_root, LSB_top;
-import LSB_Type LSB_bitType, LSB_integer, LSB_string;
-import LSB_ArrayType LSB_byteType, LSB_wordType;
-import CHAR LSB_modname[32];
-
-import LONGINT *LSB_ItemDesc__typ;
-import LONGINT *LSB_ObjDesc__typ;
-import LONGINT *LSB_TypeDesc__typ;
-import LONGINT *LSB_ArrayTypeDesc__typ;
-import LONGINT *LSB_UnitTypeDesc__typ;
-
-import void LSB_Register (CHAR *name, LONGINT name__len, LSB_Object list);
-import void *LSB__init(void);
-
-
-#endif
diff --git a/src/test/confidence/lola/LSC.h b/src/test/confidence/lola/LSC.h
deleted file mode 100644
index 5eabfedd..00000000
--- a/src/test/confidence/lola/LSC.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* voc  1.2 [2016/06/16] for gcc LP64 on cygwin xtpka */
-
-#ifndef LSC__h
-#define LSC__h
-
-#define LARGE
-#include "SYSTEM.h"
-
-
-
-
-import void LSC_Compile (void);
-import void *LSC__init(void);
-
-
-#endif
diff --git a/src/test/confidence/lola/LSS.h b/src/test/confidence/lola/LSS.h
deleted file mode 100644
index a4e95780..00000000
--- a/src/test/confidence/lola/LSS.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* voc  1.2 [2016/06/16] for gcc LP64 on cygwin xtpka */
-
-#ifndef LSS__h
-#define LSS__h
-
-#define LARGE
-#include "SYSTEM.h"
-#include "Texts.h"
-
-typedef
-	CHAR LSS_Ident[32];
-
-
-import LONGINT LSS_val;
-import LSS_Ident LSS_id;
-import BOOLEAN LSS_error;
-
-
-import void LSS_Get (INTEGER *sym);
-import void LSS_Init (Texts_Text T, LONGINT pos);
-import void LSS_Mark (CHAR *msg, LONGINT msg__len);
-import void *LSS__init(void);
-
-
-#endif
diff --git a/src/test/confidence/lola/LSV.h b/src/test/confidence/lola/LSV.h
deleted file mode 100644
index f5a8b2e6..00000000
--- a/src/test/confidence/lola/LSV.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* voc  1.2 [2016/06/16] for gcc LP64 on cygwin xtpka */
-
-#ifndef LSV__h
-#define LSV__h
-
-#define LARGE
-#include "SYSTEM.h"
-
-
-
-
-import void LSV_List (void);
-import void *LSV__init(void);
-
-
-#endif