diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index aafa555..0a6fa38 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -79,14 +79,6 @@
 	}
 }
 
-static int pstore_write_compat(struct pstore_record *record)
-{
-	return record->psi->write_buf(record->type, record->reason,
-				      &record->id, record->part,
-				      psinfo->buf, record->compressed,
-				      record->size, record->psi);
-}
-
 /*
  * platform specific persistent storage driver registers with
  * us here. If pstore is already mounted, call the platform
@@ -107,8 +99,6 @@
 		return -EBUSY;
 	}
 
-	if (!psi->write)
-		psi->write = pstore_write_compat;
 	psinfo = psi;
 	mutex_init(&psinfo->read_mutex);
 	spin_unlock(&pstore_lock);
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 734d0c3..86049f9 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -609,22 +609,7 @@
 		goto fail_init_mprz;
 
 	cxt->pstore.data = cxt;
-	/*
-	 * Console can handle any buffer size, so prefer LOG_LINE_MAX. If we
-	 * have to handle dumps, we must have at least record_size buffer. And
-	 * for ftrace, bufsize is irrelevant (if bufsize is 0, buf will be
-	 * ZERO_SIZE_PTR).
-	 */
-	if (cxt->console_size)
-		cxt->pstore.bufsize = 1024; /* LOG_LINE_MAX */
-	cxt->pstore.bufsize = max(cxt->record_size, cxt->pstore.bufsize);
-	cxt->pstore.buf = kmalloc(cxt->pstore.bufsize, GFP_KERNEL);
 	spin_lock_init(&cxt->pstore.buf_lock);
-	if (!cxt->pstore.buf) {
-		pr_err("cannot allocate pstore buffer\n");
-		err = -ENOMEM;
-		goto fail_clear;
-	}
 
 	err = pstore_register(&cxt->pstore);
 	if (err) {
@@ -661,9 +646,7 @@
 	return 0;
 
 fail_buf:
-	kfree(cxt->pstore.buf);
 fail_clear:
-	cxt->pstore.bufsize = 0;
 	kfree(cxt->mprz);
 fail_init_mprz:
 	kfree(cxt->fprz);
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index dabb639..f598f31 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -64,8 +64,6 @@
 struct pstore_info {
 	struct module	*owner;
 	char		*name;
-	char		*buf;
-	size_t		bufsize;
 	int		flags;
 	int		(*open)(struct pstore_info *psi);
 	int		(*close)(struct pstore_info *psi);