diff --git a/include/migration/migration.h b/include/migration/migration.h
index 5e16af60fd157807b5601da5eaeb34ec96055496..bf09968d76f84d82f67e7653b269f7d96762c9f3 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -139,7 +139,6 @@ void migrate_add_blocker(Error *reason);
  */
 void migrate_del_blocker(Error *reason);
 
-bool migrate_rdma_pin_all(void);
 bool migrate_zero_blocks(void);
 
 bool migrate_auto_converge(void);
diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
index 94a8c978a43170e4f9162c4baa16e7d6c67dd191..745a850e5116d46ee5b0b507501ddfc64b6d964d 100644
--- a/include/migration/qemu-file.h
+++ b/include/migration/qemu-file.h
@@ -133,7 +133,6 @@ bool qemu_file_mode_is_not_valid(const char *mode);
 bool qemu_file_is_writable(QEMUFile *f);
 
 QEMUSizedBuffer *qsb_create(const uint8_t *buffer, size_t len);
-QEMUSizedBuffer *qsb_clone(const QEMUSizedBuffer *);
 void qsb_free(QEMUSizedBuffer *);
 size_t qsb_set_length(QEMUSizedBuffer *qsb, size_t length);
 size_t qsb_get_length(const QEMUSizedBuffer *qsb);
diff --git a/migration/migration.c b/migration/migration.c
index 1e44d9bb83d7171ade1cade5ce27f58ead0cbf9e..8465f91e93ffe746fc06f81702ba0cac60e415f2 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -579,15 +579,6 @@ void qmp_migrate_set_downtime(double value, Error **errp)
     max_downtime = (uint64_t)value;
 }
 
-bool migrate_rdma_pin_all(void)
-{
-    MigrationState *s;
-
-    s = migrate_get_current();
-
-    return s->enabled_capabilities[MIGRATION_CAPABILITY_RDMA_PIN_ALL];
-}
-
 bool migrate_auto_converge(void)
 {
     MigrationState *s;
diff --git a/migration/qemu-file-buf.c b/migration/qemu-file-buf.c
index e56a8ad1e079301b8ab10ec3f19c6183c6db6d89..16a51a1e172601935c8ad5ce32b60d053340feff 100644
--- a/migration/qemu-file-buf.c
+++ b/migration/qemu-file-buf.c
@@ -365,37 +365,6 @@ ssize_t qsb_write_at(QEMUSizedBuffer *qsb, const uint8_t *source,
     return count;
 }
 
-/**
- * Create a deep copy of the given QEMUSizedBuffer.
- *
- * @qsb: A QEMUSizedBuffer
- *
- * Returns a clone of @qsb or NULL on allocation failure
- */
-QEMUSizedBuffer *qsb_clone(const QEMUSizedBuffer *qsb)
-{
-    QEMUSizedBuffer *out = qsb_create(NULL, qsb_get_length(qsb));
-    size_t i;
-    ssize_t res;
-    off_t pos = 0;
-
-    if (!out) {
-        return NULL;
-    }
-
-    for (i = 0; i < qsb->n_iov; i++) {
-        res =  qsb_write_at(out, qsb->iov[i].iov_base,
-                            pos, qsb->iov[i].iov_len);
-        if (res < 0) {
-            qsb_free(out);
-            return NULL;
-        }
-        pos += res;
-    }
-
-    return out;
-}
-
 typedef struct QEMUBuffer {
     QEMUSizedBuffer *qsb;
     QEMUFile *file;