diff --git a/tests/hlapi/asyncio/agent/ntforg/test_v3-inform.py b/tests/hlapi/asyncio/agent/ntforg/test_v3-inform.py
index 1c720415..5f91ed99 100644
--- a/tests/hlapi/asyncio/agent/ntforg/test_v3-inform.py
+++ b/tests/hlapi/asyncio/agent/ntforg/test_v3-inform.py
@@ -7,31 +7,16 @@
 @pytest.mark.asyncio
 async def test_send_v3_inform():
     async with ManagerContextManager():
-        # Assemble MIB browser
-        mibBuilder = builder.MibBuilder()
-        mibViewController = view.MibViewController(mibBuilder)
-        compiler.addMibCompiler(
-            mibBuilder,
-            sources=[
-                "file:///usr/share/snmp/mibs",
-                "https://mibs.pysnmp.com/asn1/@mib@",
-            ],
-        )
-
-        # Pre-load MIB modules we expect to work with
-        mibBuilder.loadModules("SNMPv2-MIB")
-
         snmpEngine = SnmpEngine()
-        snmpEngine.cache["mibViewController"] = mibViewController
         errorIndication, errorStatus, errorIndex, varBinds = await sendNotification(
             snmpEngine,
             UsmUserData("usr-md5-des", "authkey1", "privkey1"),
             UdpTransportTarget(("localhost", MANAGER_PORT)),
             ContextData(),
             "inform",
-            NotificationType(ObjectIdentity("1.3.6.1.6.3.1.1.5.2")).addVarBinds(
-                ("1.3.6.1.2.1.1.1.0", OctetString("my system"))
-            ),
+            NotificationType(ObjectIdentity("1.3.6.1.6.3.1.1.5.2"))
+            .loadMibs("SNMPv2-MIB")
+            .addVarBinds(("1.3.6.1.2.1.1.1.0", OctetString("my system"))),
         )
 
         assert errorIndication is None
diff --git a/tests/hlapi/asyncio/manager/cmdgen/test_v1_next.py b/tests/hlapi/asyncio/manager/cmdgen/test_v1_next.py
index 38bcf7d7..827f9c00 100644
--- a/tests/hlapi/asyncio/manager/cmdgen/test_v1_next.py
+++ b/tests/hlapi/asyncio/manager/cmdgen/test_v1_next.py
@@ -23,25 +23,15 @@
 
 @pytest.mark.asyncio
 async def test_v1_next():
-    # Assemble MIB browser
-    mibBuilder = builder.MibBuilder()
-    mibViewController = view.MibViewController(mibBuilder)
-    compiler.addMibCompiler(
-        mibBuilder,
-        sources=["file:///usr/share/snmp/mibs", "https://mibs.pysnmp.com/asn1/@mib@"],
-    )
-
-    # Pre-load MIB modules we expect to work with
-    mibBuilder.loadModules("PYSNMP-MIB")
-
     async with AgentContextManager():
         with Slim(1) as slim:
-            slim.snmpEngine.cache["mibViewController"] = mibViewController
             errorIndication, errorStatus, errorIndex, varBinds = await slim.next(
                 "public",
                 "localhost",
                 AGENT_PORT,
-                ObjectType(ObjectIdentity("SNMPv2-MIB", "sysDescr", 0)),
+                ObjectType(
+                    ObjectIdentity("SNMPv2-MIB", "sysDescr", 0).loadMibs("PYSNMP-MIB")
+                ),
             )
 
             assert errorIndication is None