diff --git a/src/wifi/test/wifi-primary-channels-test.cc b/src/wifi/test/wifi-primary-channels-test.cc
index 28ff9a088..e89fa1057 100644
--- a/src/wifi/test/wifi-primary-channels-test.cc
+++ b/src/wifi/test/wifi-primary-channels-test.cc
@@ -1375,10 +1375,13 @@ WifiPrimaryChannelsTestSuite::WifiPrimaryChannelsTestSuite()
     // Test cases for 20 MHz can be added, but are not that useful (there would be a single BSS)
     AddTestCase(new WifiPrimaryChannelsTest(40, true), TestCase::QUICK);
     AddTestCase(new WifiPrimaryChannelsTest(40, false), TestCase::QUICK);
+#if 0
+    // Tests disabled until issue #776 resolved
     AddTestCase(new WifiPrimaryChannelsTest(80, true), TestCase::EXTENSIVE);
     AddTestCase(new WifiPrimaryChannelsTest(80, false), TestCase::EXTENSIVE);
     AddTestCase(new WifiPrimaryChannelsTest(160, true), TestCase::TAKES_FOREVER);
     AddTestCase(new WifiPrimaryChannelsTest(160, false), TestCase::TAKES_FOREVER);
+#endif
     AddTestCase(new Wifi20MHzChannelIndicesTest(), TestCase::QUICK);
 }