diff --git a/src/sim/card_fs_isim.c b/src/sim/card_fs_isim.c
index d8699e8..339e862 100644
--- a/src/sim/card_fs_isim.c
+++ b/src/sim/card_fs_isim.c
@@ -46,17 +46,6 @@
 	NULL
 };
 
-static int default_decode(struct osim_decoded_data *dd,
-			  const struct osim_file_desc *desc,
-			  int len, uint8_t *data)
-{
-	struct osim_decoded_element *elem;
-
-	elem = element_alloc(dd, "Unknown Payload", ELEM_T_BYTES, ELEM_REPR_HEX);
-	elem->u.buf = talloc_memdup(elem, data, len);
-
-	return 0;
-}
 /* TS 31.103 Version 11.2.0 Release 11 / Chapoter 4.2 */
 static const struct osim_file_desc isim_ef_in_adf_isim[] = {
 	EF_TRANSP_N(0x6F02, 0x02, "EF.IMPI", 0, 1, 256,
diff --git a/src/sim/card_fs_sim.c b/src/sim/card_fs_sim.c
index ee8dd74..e124424 100644
--- a/src/sim/card_fs_sim.c
+++ b/src/sim/card_fs_sim.c
@@ -135,19 +135,6 @@
 	return 0;
 }
 
-static int default_decode(struct osim_decoded_data *dd,
-			  const struct osim_file_desc *desc,
-			  int len, uint8_t *data)
-{
-	struct osim_decoded_element *elem;
-
-	elem = element_alloc(dd, "Unknown Payload", ELEM_T_BYTES, ELEM_REPR_HEX);
-	elem->u.buf = talloc_memdup(elem, data, len);
-
-	return 0;
-}
-
-
 /* 10.3.1 */
 int gsm_lp_decode(struct osim_decoded_data *dd,
 		 const struct osim_file_desc *desc,
diff --git a/src/sim/card_fs_usim.c b/src/sim/card_fs_usim.c
index e16ad7b..02002cd 100644
--- a/src/sim/card_fs_usim.c
+++ b/src/sim/card_fs_usim.c
@@ -52,19 +52,6 @@
 	NULL
 };
 
-
-static int default_decode(struct osim_decoded_data *dd,
-			  const struct osim_file_desc *desc,
-			  int len, uint8_t *data)
-{
-	struct osim_decoded_element *elem;
-
-	elem = element_alloc(dd, "Unknown Payload", ELEM_T_BYTES, ELEM_REPR_HEX);
-	elem->u.buf = talloc_memdup(elem, data, len);
-
-	return 0;
-}
-
 /* TS 102 221 Chapter 13.1 */
 static const struct osim_file_desc uicc_ef_in_mf[] = {
 	EF_LIN_FIX_N(0x2f00, SFI_NONE, "EF.DIR", 0, 1, 32,
diff --git a/src/sim/core.c b/src/sim/core.c
index d1d4de7..dba378b 100644
--- a/src/sim/core.c
+++ b/src/sim/core.c
@@ -290,3 +290,15 @@
 
 	return csw->class;
 }
+
+int default_decode(struct osim_decoded_data *dd,
+		   const struct osim_file_desc *desc,
+		   int len, uint8_t *data)
+{
+	struct osim_decoded_element *elem;
+
+	elem = element_alloc(dd, "Unknown Payload", ELEM_T_BYTES, ELEM_REPR_HEX);
+	elem->u.buf = talloc_memdup(elem, data, len);
+
+	return 0;
+}
diff --git a/src/sim/sim_int.h b/src/sim/sim_int.h
index 73f144c..0a3772b 100644
--- a/src/sim/sim_int.h
+++ b/src/sim/sim_int.h
@@ -12,6 +12,9 @@
 
 extern const struct osim_card_sw ts102221_uicc_sw[0];
 
+int default_decode(struct osim_decoded_data *dd,
+		   const struct osim_file_desc *desc,
+		   int len, uint8_t *data);
 
 void add_filedesc(struct osim_file_desc *root, const struct osim_file_desc *in, int num);
 struct osim_file_desc *alloc_df(void *ctx, uint16_t fid, const char *name);