diff --git a/libspark/mmi.h b/libspark/mmi.h
deleted file mode 100644
index 76ff992..0000000
--- a/libspark/mmi.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef __MMI_H_
-#define __MMI_H_
-
-#define MAX_MMI_ITEMS			40
-#define MAX_MMI_TEXT_LEN		255
-#define MAX_MMI_CHOICE_TEXT_LEN		255
-
-typedef struct {
-	int choice_nb;
-	char title[MAX_MMI_TEXT_LEN];
-	char subtitle[MAX_MMI_TEXT_LEN];
-	char bottom[MAX_MMI_TEXT_LEN];
-	char choice_item[MAX_MMI_ITEMS][MAX_MMI_CHOICE_TEXT_LEN];
-} MMI_MENU_LIST_INFO;
-
-typedef struct {
-	int blind;
-	int answerlen;
-	char enguiryText[MAX_MMI_TEXT_LEN];
-} MMI_ENGUIRY_INFO;
-
-#endif // __MMI_H_
-
diff --git a/libtriple/mmi.h b/libtriple/mmi.h
deleted file mode 100644
index 76ff992..0000000
--- a/libtriple/mmi.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef __MMI_H_
-#define __MMI_H_
-
-#define MAX_MMI_ITEMS			40
-#define MAX_MMI_TEXT_LEN		255
-#define MAX_MMI_CHOICE_TEXT_LEN		255
-
-typedef struct {
-	int choice_nb;
-	char title[MAX_MMI_TEXT_LEN];
-	char subtitle[MAX_MMI_TEXT_LEN];
-	char bottom[MAX_MMI_TEXT_LEN];
-	char choice_item[MAX_MMI_ITEMS][MAX_MMI_CHOICE_TEXT_LEN];
-} MMI_MENU_LIST_INFO;
-
-typedef struct {
-	int blind;
-	int answerlen;
-	char enguiryText[MAX_MMI_TEXT_LEN];
-} MMI_ENGUIRY_INFO;
-
-#endif // __MMI_H_
-