diff --git a/arm11/Makefile b/arm11/Makefile
index 3618de3..716257a 100644
--- a/arm11/Makefile
+++ b/arm11/Makefile
@@ -35,7 +35,7 @@
 #---------------------------------------------------------------------------------
 ARCH	:=	-march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft -marm -mthumb-interwork
 
-CFLAGS	:=	$(ARCH) -std=c11 -O2 -g -flto -mword-relocations -ffunction-sections \
+CFLAGS	:=	$(ARCH) -std=gnu11 -O2 -g -flto -mword-relocations -ffunction-sections \
 			-Wall -Wextra -Wno-unused-function
 
 CFLAGS	+=	$(INCLUDE) $(DEFINES)
diff --git a/include/arm11/menu/menu_util.h b/include/arm11/menu/menu_util.h
index c254b2b..af7bbce 100644
--- a/include/arm11/menu/menu_util.h
+++ b/include/arm11/menu/menu_util.h
@@ -22,7 +22,6 @@
 
 
 
-char* mallocpyString(const char* str);
 void truncateString(char* dest, const char* orig, int nsize, int tpos);
 void formatBytes(char* str, u64 bytes);
 void keysToString(u32 keys, char* string);
diff --git a/source/arm11/fmt.c b/source/arm11/fmt.c
index dc88572..89886fb 100644
--- a/source/arm11/fmt.c
+++ b/source/arm11/fmt.c
@@ -75,15 +75,6 @@
 
 #define IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
 
-u32 strnlen(const char *string, u32 maxlen)
-{
-	u32 size;
-
-	for(size = 0; size < maxlen && *string; string++, size++);
-
-	return size;
-}
-
 static s32 skipAtoi(const char **s)
 {
 	s32 i = 0;
diff --git a/source/arm11/menu/menu_fsel.c b/source/arm11/menu/menu_fsel.c
index b41136a..47b7a09 100644
--- a/source/arm11/menu/menu_fsel.c
+++ b/source/arm11/menu/menu_fsel.c
@@ -160,7 +160,7 @@
 			
 			dir_buffer[n_entries].fsize = 0;
 			dir_buffer[n_entries].is_dir = 1;
-			dir_buffer[n_entries].fname = mallocpyString(root_paths[i]);
+			dir_buffer[n_entries].fname = strdup(root_paths[i]);
 			n_entries++;
 		}
 		
@@ -173,7 +173,7 @@
 				
 				dir_buffer[n_entries].fsize = firm_size;
 				dir_buffer[n_entries].is_dir = 0;
-				dir_buffer[n_entries].fname = mallocpyString(firm_paths[i]);
+				dir_buffer[n_entries].fname = strdup(firm_paths[i]);
 				n_entries++;
 			}
 		}
@@ -206,7 +206,7 @@
 			// take over data
 			dir_buffer[n_entries].fsize = finfo[i].fsize;
 			dir_buffer[n_entries].is_dir = finfo[i].fattrib & AM_DIR;
-			dir_buffer[n_entries].fname = mallocpyString(finfo[i].fname);
+			dir_buffer[n_entries].fname = strdup(finfo[i].fname);
 			
 			// check for out of memory
 			if (!dir_buffer[n_entries].fname)
diff --git a/source/arm11/menu/menu_util.c b/source/arm11/menu/menu_util.c
index 0364071..d980801 100644
--- a/source/arm11/menu/menu_util.c
+++ b/source/arm11/menu/menu_util.c
@@ -33,15 +33,6 @@
 #define BORDER_WIDTH	2 // in pixel
 
 
-char* mallocpyString(const char* str)
-{
-	u32 strsize = strlen(str) + 1;
-	char* astr = (char*) malloc(strsize);
-	
-	if (astr) strncpy(astr, str, strsize);
-	return astr;
-}
-
 void truncateString(char* dest, const char* orig, int nsize, int tpos)
 {
 	int osize = strlen(orig);