diff --git a/include/villas/advio.h b/include/villas/advio.h
index e02fd2cc1..5c6d4d18a 100644
--- a/include/villas/advio.h
+++ b/include/villas/advio.h
@@ -25,8 +25,7 @@
 #include <curl/curl.h>
 
 enum advio_flags {
-	ADVIO_MEM	= (1 << 0),	/**< Instead of a real file, a memory backed stdio stream is used. */
-	ADVIO_DIRTY	= (1 << 1)	/**< The file contents have been modified. We need to upload. */
+	ADVIO_DIRTY	= (1 << 0)	/**< The file contents have been modified. We need to upload. */
 };
 
 struct advio {
@@ -34,11 +33,7 @@ struct advio {
 
 	CURL *curl;
 	FILE *file;
-	
-	/* For use with ADVIO_MODE_MEM */
-	char *buf;
-	size_t size;
-	
+
 	const char *uri;
 };
 
diff --git a/lib/advio.c b/lib/advio.c
index db740ffdc..b2818beff 100644
--- a/lib/advio.c
+++ b/lib/advio.c
@@ -49,7 +49,6 @@ static int xferinfo(void *p, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ul
 	int dotz = round(frac * BAR_WIDTH);
 
 	// create the "meter"
-	
 	printf("%3.0f%% in %f s (%" CURL_FORMAT_CURL_OFF_T " / %" CURL_FORMAT_CURL_OFF_T ") [", frac * 100, curtime, dlnow, dltotal);
 
 	// part  that's full already
@@ -71,14 +70,11 @@ static int xferinfo(void *p, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ul
 AFILE * afopen(const char *uri, const char *mode, int flags)
 {
 	CURLcode res;
+	long code;
 
 	AFILE *af = alloc(sizeof(AFILE));
 	
-	if (flags & ADVIO_MEM)
-		af->file = open_memstream(&af->buf, &af->size);
-	else
-		af->file = tmpfile();
-
+	af->file = tmpfile();
 	if (!af->file)
 		goto out2;
 	
@@ -157,12 +153,9 @@ int afflush(AFILE *af)
 		CURLcode res;
 		long pos;
 		
-		/* Flushing a memory backed stream is sensless */
-		if (!(af->flags & ADVIO_MEM)) {
-			ret = fflush(af->file);
-			if (ret)
-				return ret;
-		}
+		ret = fflush(af->file);
+		if (ret)
+			return ret;
 
 		curl_easy_setopt(af->curl, CURLOPT_UPLOAD, 1L);
 		curl_easy_setopt(af->curl, CURLOPT_READDATA, af->file);
diff --git a/lib/super_node.c b/lib/super_node.c
index e66df1366..1203e1489 100644
--- a/lib/super_node.c
+++ b/lib/super_node.c
@@ -103,7 +103,7 @@ int super_node_parse_uri(struct super_node *sn, const char *uri)
 		}
 		/* Use advio (libcurl) to fetch the config from a remote */
 		else {
-			af = afopen(uri, "r", ADVIO_MEM);
+			af = afopen(uri, "r", 0);
 			f = af ? af->file : NULL;
 		}