diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index b85acbc9b4..fdf98cdda2 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -1448,24 +1448,6 @@ void acpigen_write_not(uint8_t arg, uint8_t res)
 	acpigen_emit_byte(res);
 }
 
-/* Concatenate (str1, str2, res) */
-void acpigen_concatenate_string_string(const char *str1, const char *str2, uint8_t res)
-{
-	acpigen_emit_byte(CONCATENATE_OP);
-	acpigen_write_string(str1);
-	acpigen_write_string(str2);
-	acpigen_emit_byte(res);
-}
-
-/* Concatenate (str, val, tmp_res) */
-void acpigen_concatenate_string_int(const char *str, uint64_t val, uint8_t res)
-{
-	acpigen_emit_byte(CONCATENATE_OP);
-	acpigen_write_string(str);
-	acpigen_write_integer(val);
-	acpigen_emit_byte(res);
-}
-
 /* Concatenate (str, src_res, dest_res) */
 void acpigen_concatenate_string_op(const char *str, uint8_t src_res, uint8_t dest_res)
 {
@@ -1507,24 +1489,6 @@ void acpigen_write_debug_namestr(const char *str)
 	acpigen_emit_ext_op(DEBUG_OP);
 }
 
-/* Concatenate (str1, str2, tmp_res)
-   Store(tmp_res, DEBUG) */
-void acpigen_write_debug_concatenate_string_string(const char *str1, const char *str2,
-	uint8_t tmp_res)
-{
-	acpigen_concatenate_string_string(str1, str2, tmp_res);
-	acpigen_write_debug_op(tmp_res);
-}
-
-/* Concatenate (str1, val, tmp_res)
-   Store(tmp_res, DEBUG) */
-void acpigen_write_debug_concatenate_string_int(const char *str, uint64_t val,
-	uint8_t tmp_res)
-{
-	acpigen_concatenate_string_int(str, val, tmp_res);
-	acpigen_write_debug_op(tmp_res);
-}
-
 /* Concatenate (str1, res, tmp_res)
    Store(tmp_res, DEBUG) */
 void acpigen_write_debug_concatenate_string_op(const char *str, uint8_t res,
@@ -1534,6 +1498,27 @@ void acpigen_write_debug_concatenate_string_op(const char *str, uint8_t res,
 	acpigen_write_debug_op(tmp_res);
 }
 
+static void acpigen_tx_byte(unsigned char byte, void *data)
+{
+	acpigen_emit_byte(byte);
+}
+
+/* Store("formatted string", DEBUG) */
+void acpigen_write_debug_sprintf(const char *fmt, ...)
+{
+	va_list args;
+
+	acpigen_write_store();
+
+	acpigen_emit_byte(STRING_PREFIX);
+	va_start(args, fmt);
+	vtxprintf(acpigen_tx_byte, fmt, args, NULL);
+	va_end(args);
+	acpigen_emit_byte('\0');
+
+	acpigen_emit_ext_op(DEBUG_OP);
+}
+
 void acpigen_write_if(void)
 {
 	acpigen_emit_byte(IF_OP);
diff --git a/src/include/acpi/acpigen.h b/src/include/acpi/acpigen.h
index 35d14ab350..614cd6e713 100644
--- a/src/include/acpi/acpigen.h
+++ b/src/include/acpi/acpigen.h
@@ -495,18 +495,13 @@ void acpigen_write_or(uint8_t arg1, uint8_t arg2, uint8_t res);
 void acpigen_write_xor(uint8_t arg1, uint8_t arg2, uint8_t res);
 void acpigen_write_and(uint8_t arg1, uint8_t arg2, uint8_t res);
 void acpigen_write_not(uint8_t arg, uint8_t res);
-void acpigen_concatenate_string_string(const char *str1, const char *str2, uint8_t res);
-void acpigen_concatenate_string_int(const char *str, uint64_t val, uint8_t res);
 void acpigen_concatenate_string_op(const char *str, uint8_t src_res, uint8_t dest_res);
 void acpigen_write_debug_string(const char *str);
 void acpigen_write_debug_namestr(const char *str);
 void acpigen_write_debug_integer(uint64_t val);
 void acpigen_write_debug_op(uint8_t op);
-void acpigen_write_debug_concatenate_string_string(const char *str1, const char *str2,
-						   uint8_t tmp_res);
-void acpigen_write_debug_concatenate_string_int(const char *str1, uint64_t val,
-						uint8_t tmp_res);
 void acpigen_write_debug_concatenate_string_op(const char *str1, uint8_t res, uint8_t tmp_res);
+void acpigen_write_debug_sprintf(const char *fmt, ...) __printf(1, 2);
 void acpigen_write_if(void);
 void acpigen_write_if_and(uint8_t arg1, uint8_t arg2);
 void acpigen_write_if_lequal_op_op(uint8_t op, uint8_t val);