diff --git a/src/freedreno/rnn/aprintf.c b/src/freedreno/rnn/aprintf.c
deleted file mode 100644
index b3d924f5941..00000000000
--- a/src/freedreno/rnn/aprintf.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright (C) 2009-2011 Marcin Kościelnicki <koriakin@0x04.net>
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include "util.h"
-#include <stdarg.h>
-
-char *aprintf(const char *format, ...) {
-	va_list va;
-	va_start(va, format);
-	size_t sz = vsnprintf(0, 0, format, va);
-	va_end(va);
-	char *res = malloc(sz + 1);
-	va_start(va, format);
-	vsnprintf(res, sz + 1, format, va);
-	va_end(va);
-	return res;
-}
diff --git a/src/freedreno/rnn/meson.build b/src/freedreno/rnn/meson.build
index 17bd53f177b..8712e81fdef 100644
--- a/src/freedreno/rnn/meson.build
+++ b/src/freedreno/rnn/meson.build
@@ -19,7 +19,6 @@
 # SOFTWARE.
 
 libfreedreno_rnn_files = files(
-  'aprintf.c',
   'colors.c',
   'colors.h',
   'path.c',
diff --git a/src/freedreno/rnn/rnn.c b/src/freedreno/rnn/rnn.c
index d696f178d62..16dd478a1a6 100644
--- a/src/freedreno/rnn/rnn.c
+++ b/src/freedreno/rnn/rnn.c
@@ -44,9 +44,12 @@
 #include "util/u_debug.h"
 
 static char *catstr (char *a, char *b) {
+	char *res;
+
 	if (!a)
 		return b;
-	return aprintf("%s_%s", a, b);
+
+	return asprintf(&res, "%s_%s", a, b) < 0 ? NULL : res;
 }
 
 static int strdiff (const char *a, const char *b) {
diff --git a/src/freedreno/rnn/util.h b/src/freedreno/rnn/util.h
index 98a32a34d07..07ad637e452 100644
--- a/src/freedreno/rnn/util.h
+++ b/src/freedreno/rnn/util.h
@@ -110,6 +110,4 @@ struct astr {
 
 void print_escaped_astr(FILE *out, struct astr *astr);
 
-char *aprintf(const char *format, ...);
-
 #endif