diff --git a/cinder/volume/drivers/zfssa/zfssaiscsi.py b/cinder/volume/drivers/zfssa/zfssaiscsi.py
index 5a8d540ef39..2d3fe5bc33d 100644
--- a/cinder/volume/drivers/zfssa/zfssaiscsi.py
+++ b/cinder/volume/drivers/zfssa/zfssaiscsi.py
@@ -128,6 +128,10 @@ class ZFSSAISCSIDriver(driver.ISCSIDriver):
     VERSION = '1.0.4'
     protocol = 'iSCSI'
 
+    # TODO(jsbryant) Remove driver in the 'U' release as Oracle
+    #                is dropping support.
+    SUPPORTED = False
+
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "Oracle_ZFSSA_CI"
 
diff --git a/cinder/volume/drivers/zfssa/zfssanfs.py b/cinder/volume/drivers/zfssa/zfssanfs.py
index 96b4beccff6..e554c6f8fb1 100644
--- a/cinder/volume/drivers/zfssa/zfssanfs.py
+++ b/cinder/volume/drivers/zfssa/zfssanfs.py
@@ -101,6 +101,10 @@ class ZFSSANFSDriver(nfs.NfsDriver):
     # ThirdPartySystems wiki page
     CI_WIKI_NAME = "Oracle_ZFSSA_CI"
 
+    # TODO(jsbryant) Remove driver in the 'U' release as Oracle
+    #                is dropping support.
+    SUPPORTED = False
+
     def __init__(self, *args, **kwargs):
         super(ZFSSANFSDriver, self).__init__(*args, **kwargs)
         self.configuration.append_config_values(ZFSSA_OPTS)
diff --git a/doc/source/reference/support-matrix.ini b/doc/source/reference/support-matrix.ini
index ecf2ed3896c..51cee9056e4 100644
--- a/doc/source/reference/support-matrix.ini
+++ b/doc/source/reference/support-matrix.ini
@@ -248,7 +248,7 @@ driver.netapp_solidfire=complete
 driver.nexenta=complete
 driver.nfs=complete
 driver.nimble=missing
-driver.oracle_zfssa=complete
+driver.oracle_zfssa=missing
 driver.prophetstor=missing
 driver.pure=complete
 driver.qnap=complete
diff --git a/releasenotes/notes/oracle-zfssa-unsupported-4ce035213fa0e097.yaml b/releasenotes/notes/oracle-zfssa-unsupported-4ce035213fa0e097.yaml
new file mode 100644
index 00000000000..e90bc747bef
--- /dev/null
+++ b/releasenotes/notes/oracle-zfssa-unsupported-4ce035213fa0e097.yaml
@@ -0,0 +1,15 @@
+---
+upgrade:
+  - |
+    The Oracle ZFSSA drivers have been marked as unsupported
+    and are now deprecated. ``enable_unsupported_driver`` will need
+    to be set to ``True`` in the driver's section in cinder.conf to
+    continue to use them.
+deprecations:
+  - |
+    The Oracle ZFSSA drivers has been marked as unsupported
+    and are now deprecated. ``enable_unsupported_driver`` will need
+    to be set to ``True`` in the driver's section in cinder.conf to
+    continue to use them. Oracle has indicated that they don't plan to
+    continue to support the drivers so they will be removed in
+    the 'U' development cycle.