diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/KVMHABase.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/KVMHABase.java
index f30e2c779195..dffa70c28632 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/KVMHABase.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/KVMHABase.java
@@ -16,7 +16,6 @@
 // under the License.
 package com.cloud.hypervisor.kvm.resource;
 
-import java.io.File;
 
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.LogManager;
@@ -64,34 +63,18 @@ public String getPoolUUID() {
             return poolUuid;
         }
 
-        public void setPoolUUID(String poolUuid) {
-            this.poolUuid = poolUuid;
-        }
-
         public String getPoolIp() {
             return poolIp;
         }
 
-        public void setPoolIp(String poolIp) {
-            this.poolIp = poolIp;
-        }
-
         public String getPoolMountSourcePath() {
             return poolMountSourcePath;
         }
 
-        public void setPoolMountSourcePath(String poolMountSourcePath) {
-            this.poolMountSourcePath = poolMountSourcePath;
-        }
-
         public String getMountDestPath() {
             return mountDestPath;
         }
 
-        public void setMountDestPath(String mountDestPath) {
-            this.mountDestPath = mountDestPath;
-        }
-
         public PoolType getType() {
             return poolType;
         }
@@ -202,35 +185,6 @@ protected void destroyVMs(String mountPath) {
         }
     }
 
-    protected String getHBFile(String mountPoint, String hostIP) {
-        return mountPoint + File.separator + "KVMHA" + File.separator + "hb-" + hostIP;
-    }
-
-    protected String getHBFolder(String mountPoint) {
-        return mountPoint + File.separator + "KVMHA" + File.separator;
-    }
-
-    protected String runScriptRetry(String cmdString, OutputInterpreter interpreter) {
-        String result = null;
-        for (int i = 0; i < 3; i++) {
-            Script cmd = new Script("/bin/bash", _timeout);
-            cmd.add("-c");
-            cmd.add(cmdString);
-            if (interpreter != null)
-                result = cmd.execute(interpreter);
-            else {
-                result = cmd.execute();
-            }
-            if (result == Script.ERR_TIMEOUT) {
-                continue;
-            } else if (result == null) {
-                break;
-            }
-        }
-
-        return result;
-    }
-
     public Boolean hasHeartBeat() {
         // TODO Auto-generated method stub
         return null;
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
index 9009ec629ca3..f8bbd2595ea5 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
@@ -33,7 +33,6 @@
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.StringReader;
-import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.URI;
 import java.net.URISyntaxException;
@@ -256,7 +255,6 @@
 import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VmDetailConstants;
 
-import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
@@ -440,7 +438,6 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
     private String setupTungstenVrouterPath;
     private String updateTungstenLoadbalancerStatsPath;
     private String updateTungstenLoadbalancerSslPath;
-    private String host;
 
     private String dcId;
     private String clusterId;
@@ -600,7 +597,6 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
 
     private boolean isReconcileCommandsEnabled = false;
 
-    private static Gson gson = new Gson();
 
     /**
      * Virsh command to set the memory balloon stats period.<br><br>
@@ -2325,19 +2321,6 @@ protected Long getJsonLongValueOrNull(JsonObject jsonObject, String fieldName) {
         return element.getAsLong();
     }
 
-    boolean isDirectAttachedNetwork(final String type) {
-        if ("untagged".equalsIgnoreCase(type)) {
-            return true;
-        } else {
-            try {
-                Long.valueOf(type);
-            } catch (final NumberFormatException e) {
-                return true;
-            }
-            return false;
-        }
-    }
-
     public String startVM(final Connect conn, final String vmName, final String domainXML) throws LibvirtException, InternalErrorException {
         return startVM(conn, vmName, domainXML, 0);
     }
@@ -2761,7 +2744,6 @@ protected ExecutionResult prepareNetworkElementCommand(final IpAssocVpcCommand c
             conn = getLibvirtUtilitiesHelper().getConnectionByVmName(routerName);
             Pair<Map<String, Integer>, Integer> macAddressToNicNumPair = getMacAddressToNicNumPair(conn, routerName);
             final Map<String, Integer> macAddressToNicNum = macAddressToNicNumPair.first();
-            Integer devNum = macAddressToNicNumPair.second();
 
             final IpAddressTO[] ips = cmd.getIpAddresses();
             for (final IpAddressTO ip : ips) {
@@ -4131,10 +4113,6 @@ public boolean cleanupDisk(final DiskDef disk) {
         return storagePoolManager.disconnectPhysicalDiskByPath(path);
     }
 
-    protected KVMStoragePoolManager getPoolManager() {
-        return storagePoolManager;
-    }
-
     public void detachAndAttachConfigDriveISO(final Connect conn, final String vmName) {
         // detach and re-attach configdrive ISO
         List<DiskDef> disks = getDisks(conn, vmName);
@@ -4978,14 +4956,6 @@ boolean isGuestPVEnabled(final String guestOSName) {
         return db != DiskDef.DiskBus.IDE;
     }
 
-    public boolean isCentosHost() {
-        if (hvVersion <= 9) {
-            return true;
-        } else {
-            return false;
-        }
-    }
-
     public DiskDef.DiskBus getDiskModelFromVMDetail(final VirtualMachineTO vmTO) {
         Map<String, String> details = vmTO.getDetails();
         if (details == null) {
@@ -5106,10 +5076,6 @@ public List<DiskDef> getDisks(final Connect conn, final String vmName) {
         }
     }
 
-    private String executeBashScript(final String script) {
-        return createScript(script).execute();
-    }
-
     private Script createScript(final String script) {
         final Script command = new Script("/bin/bash", timeout, LOGGER);
         command.add("-c");
@@ -5632,7 +5598,6 @@ public boolean destroyNetworkRulesForNic(final Connect conn, final String vmName
         }
 
         final InterfaceDef intf = intfs.get(nic.getDeviceId());
-        final String brname = intf.getBrName();
         final String vif = intf.getDevName();
 
         final Script cmd = new Script(securityGroupPath, timeout, LOGGER);
@@ -5753,41 +5718,6 @@ public boolean defaultNetworkRules(final Connect conn, final String vmName, fina
         return true;
     }
 
-    protected boolean post_default_network_rules(final Connect conn, final String vmName, final NicTO nic, final Long vmId, final InetAddress dhcpServerIp, final String hostIp, final String hostMacAddr) {
-        if (!canBridgeFirewall) {
-            return false;
-        }
-
-        final List<InterfaceDef> intfs = getInterfaces(conn, vmName);
-        if (intfs.size() < nic.getDeviceId()) {
-            return false;
-        }
-
-        final InterfaceDef intf = intfs.get(nic.getDeviceId());
-        final String brname = intf.getBrName();
-        final String vif = intf.getDevName();
-
-        final Script cmd = new Script(securityGroupPath, timeout, LOGGER);
-        cmd.add("post_default_network_rules");
-        cmd.add("--vmname", vmName);
-        cmd.add("--vmid", vmId.toString());
-        cmd.add("--vmip", nic.getIp());
-        cmd.add("--vmmac", nic.getMac());
-        cmd.add("--vif", vif);
-        cmd.add("--brname", brname);
-        if (dhcpServerIp != null) {
-            cmd.add("--dhcpSvr", dhcpServerIp.getHostAddress());
-        }
-
-        cmd.add("--hostIp", hostIp);
-        cmd.add("--hostMacAddr", hostMacAddr);
-        final String result = cmd.execute();
-        if (result != null) {
-            return false;
-        }
-        return true;
-    }
-
     public boolean configureDefaultNetworkRulesForSystemVm(final Connect conn, final String vmName) {
         if (!canBridgeFirewall) {
             return false;
@@ -6023,16 +5953,6 @@ private HashMap<String, Pair<Long, Long>> syncNetworkGroups(final long id) {
         return states;
     }
 
-    /* online snapshot supported by enhanced qemu-kvm */
-    private boolean isSnapshotSupported() {
-        final String result = executeBashScript("qemu-img --help|grep convert");
-        if (result != null) {
-            return false;
-        } else {
-            return true;
-        }
-    }
-
     public Pair<Double, Double> getNicStats(final String nicName) {
         return new Pair<Double, Double>(readDouble(nicName, "rx_bytes"), readDouble(nicName, "tx_bytes"));
     }
@@ -6196,10 +6116,6 @@ public void restoreVMSnapshotMetadata(Domain dm, String vmName, List<Ternary<Str
         }
     }
 
-    public String getHostDistro() {
-        return hostDistro;
-    }
-
     public boolean isHostSecured() {
         // Test for host certificates
         final File confFile = PropertiesUtil.findConfigFile(KeyStoreUtils.AGENT_PROPSFILE);
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtConnection.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtConnection.java
index cbb5d85b712c..6650c35ac21e 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtConnection.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtConnection.java
@@ -34,7 +34,6 @@ public class LibvirtConnection {
     protected static Logger LOGGER = LogManager.getLogger(LibvirtConnection.class);
     static private Map<String, Connect> s_connections = new HashMap<String, Connect>();
 
-    static private Connect s_connection;
     static private String s_hypervisorURI;
     static private Thread libvirtEventThread;
 
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtSecretDef.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtSecretDef.java
index 9596b40dec63..e05939d2d6d4 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtSecretDef.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtSecretDef.java
@@ -51,10 +51,6 @@ public LibvirtSecretDef(Usage usage, String uuid, String description) {
         _description = description;
     }
 
-    public boolean getEphemeral() {
-        return _ephemeral;
-    }
-
     public void setEphemeral(boolean ephemeral) { _ephemeral = ephemeral; }
 
     public boolean getPrivate() {
@@ -71,14 +67,6 @@ public String getDescription() {
         return _description;
     }
 
-    public String getVolumeVolume() {
-        return _volumeVolume;
-    }
-
-    public String getCephName() {
-        return _cephName;
-    }
-
     public void setVolumeVolume(String volume) {
         _volumeVolume = volume;
     }
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtStorageVolumeXMLParser.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtStorageVolumeXMLParser.java
index 00126a07cd3a..1b6f73039ca5 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtStorageVolumeXMLParser.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtStorageVolumeXMLParser.java
@@ -61,26 +61,6 @@ public LibvirtStorageVolumeDef parseStorageVolumeXML(String volXML) {
         return null;
     }
 
-    public String getBackingFileNameIfExists(String volXML) {
-        try {
-            DocumentBuilder builder = ParserUtils.getSaferDocumentBuilderFactory().newDocumentBuilder();
-
-            InputSource is = new InputSource();
-            is.setCharacterStream(new StringReader(volXML));
-            Document doc = builder.parse(is);
-
-            Element rootElement = doc.getDocumentElement();
-            Element backingStore = (Element)rootElement.getElementsByTagName("backingStore").item(0);
-            if (backingStore != null) {
-                String[] paths = getTagValue("path", backingStore).split("/");
-                return paths[paths.length-1];
-            }
-        } catch (ParserConfigurationException | SAXException | IOException e) {
-            logger.error(e.toString(), e);
-        }
-        return null;
-    }
-
     private static String getTagValue(String tag, Element eElement) {
         NodeList nlList = eElement.getElementsByTagName(tag).item(0).getChildNodes();
         Node nValue = nlList.item(0);
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
index 439e4f663416..b865821d6afa 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
@@ -278,10 +278,6 @@ public String toString() {
         private BootMode _bootmode;
         private String _arch;
         private String _loader;
-        private String _kernel;
-        private String _initrd;
-        private String _root;
-        private String _cmdline;
         private String _uuid;
         private final List<BootOrder> _bootdevs = new ArrayList<BootOrder>();
         private String _machine;
@@ -341,13 +337,6 @@ public void setLoader(String loader) {
             _loader = loader;
         }
 
-        public void setBootKernel(String kernel, String initrd, String rootdev, String cmdline) {
-            _kernel = kernel;
-            _initrd = initrd;
-            _root = rootdev;
-            _cmdline = cmdline;
-        }
-
         public void setBootOrder(BootOrder order) {
             _bootdevs.add(order);
         }
@@ -470,10 +459,6 @@ public void setMaxVcpuNum(int maxVcpu) {
             this.maxVcpu = maxVcpu;
         }
 
-        public int getVcpu() {
-            return vcpu;
-        }
-
         public int getMaxVcpu() {
             return maxVcpu;
         }
@@ -802,7 +787,6 @@ public LibvirtDiskEncryptDetails(String passphraseUuid, QemuObject.EncryptFormat
 
             public String getPassphraseUuid() { return this.passphraseUuid; }
             public QemuObject.EncryptFormat getEncryptFormat() { return this.encryptFormat; }
-            public String getEngine() { return this.engine; }
         }
 
         public static class DiskGeometry {
@@ -958,8 +942,6 @@ public String toString() {
         private DiskBus _bus;
         private DiskFmtType _diskFmtType; /* qcow2, raw etc. */
         private boolean _readonly = false;
-        private boolean _shareable = false;
-        private boolean _deferAttach = false;
         private Long _bytesReadRate;
         private Long _bytesReadRateMax;
         private Long _bytesReadRateMaxLength;
@@ -1209,18 +1191,6 @@ public void setReadonly() {
             _readonly = true;
         }
 
-        public void setSharable() {
-            _shareable = true;
-        }
-
-        public void setAttachDeferred(boolean deferAttach) {
-            _deferAttach = deferAttach;
-        }
-
-        public boolean isAttachDeferred() {
-            return _deferAttach;
-        }
-
         public String getDiskPath() {
             return _sourcePath;
         }
@@ -1591,22 +1561,16 @@ public String toString() {
             }
         }
 
-        enum HostNicType {
-            DIRECT_ATTACHED_WITHOUT_DHCP, DIRECT_ATTACHED_WITH_DHCP, VNET, VLAN;
-        }
-
         public static final int MULTI_QUEUE_NUMBER_MEANS_CPU_CORES = -1;
 
         private GuestNetType _netType; /*
          * bridge, ethernet, network, user,
          * internal, vhostuser
          */
-        private HostNicType _hostNetType; /* Only used by agent java code */
         private String _netSourceMode;
         private String _sourceName;
         private String _networkName;
         private String _macAddr;
-        private String _ipAddr;
         private String _scriptPath;
         private NicModel _model;
         private int _networkRateKBps;
@@ -1709,14 +1673,6 @@ public void defEthernet(String targetName, String macAddr, NicModel model) {
             defEthernet(targetName, macAddr, model, null);
         }
 
-        public void setHostNetType(HostNicType hostNetType) {
-            _hostNetType = hostNetType;
-        }
-
-        public HostNicType getHostNetType() {
-            return _hostNetType;
-        }
-
         public void setPxeDisable(boolean pxeDisable) {
             _pxeDisable = pxeDisable;
         }
@@ -1729,10 +1685,6 @@ public GuestNetType getNetType() {
             return _netType;
         }
 
-        public String getNetSourceMode() {
-            return _netSourceMode;
-        }
-
         public String getDevName() {
             return _networkName;
         }
@@ -1753,18 +1705,10 @@ public void setVirtualPortType(String virtualPortType) {
             _virtualPortType = virtualPortType;
         }
 
-        public String getVirtualPortType() {
-            return _virtualPortType;
-        }
-
         public void setVirtualPortInterfaceId(String virtualPortInterfaceId) {
             _virtualPortInterfaceId = virtualPortInterfaceId;
         }
 
-        public String getVirtualPortInterfaceId() {
-            return _virtualPortInterfaceId;
-        }
-
         public void setVlanTag(int vlanTag) {
             _vlanTag = vlanTag;
         }
@@ -1785,10 +1729,6 @@ public void setLinkStateUp(boolean linkStateUp) {
             _linkStateUp = linkStateUp;
         }
 
-        public boolean isLinkStateUp() {
-            return _linkStateUp;
-        }
-
         public String getDpdkSourcePort() {
             return _dpdkSourcePort;
         }
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCopyToSecondaryStorageWrapper.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCopyToSecondaryStorageWrapper.java
index a8ea0d2ce810..b52cde24f8c7 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCopyToSecondaryStorageWrapper.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCopyToSecondaryStorageWrapper.java
@@ -47,8 +47,6 @@ public Answer execute(CopyToSecondaryStorageCommand command, LibvirtComputingRes
         KVMStoragePoolManager storagePoolMgr = libvirtResource.getStoragePoolMgr();
         KVMStoragePool secondaryPool;
 
-        boolean success;
-
         secondaryPool = storagePoolMgr.getStoragePoolByURI(secondaryStorageUrl);
         String mountPoint = secondaryPool.getLocalPath();
 
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCreateDiskOnlyVMSnapshotCommandWrapper.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCreateDiskOnlyVMSnapshotCommandWrapper.java
index e6edf8e6e398..d152427d195f 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCreateDiskOnlyVMSnapshotCommandWrapper.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtCreateDiskOnlyVMSnapshotCommandWrapper.java
@@ -96,7 +96,6 @@ protected Answer takeDiskOnlyVmSnapshotOfRunningVm(CreateDiskOnlyVmSnapshotComma
         try {
             LibvirtUtilitiesHelper libvirtUtilitiesHelper = resource.getLibvirtUtilitiesHelper();
             Connect conn = libvirtUtilitiesHelper.getConnection();
-            List<VolumeObjectTO> volumeObjectTOS = cmd.getVolumeTOs();
             List<LibvirtVMDef.DiskDef> disks = resource.getDisks(conn, vmName);
 
             dm = resource.getDomain(conn, vmName);
@@ -164,7 +163,6 @@ protected Answer takeDiskOnlyVmSnapshotOfStoppedVm(CreateDiskOnlyVmSnapshotComma
         Map<String, Long> mapVolumeToSnapshotSize = new HashMap<>();
         String nvramSnapshotPath = null;
 
-        List<VolumeObjectTO> volumeObjectTos = cmd.getVolumeTOs();
         KVMStoragePoolManager storagePoolMgr = resource.getStoragePoolMgr();
         try {
             nvramSnapshotPath = backupNvramIfNeeded(cmd, resource);
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtMigrateCommandWrapper.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtMigrateCommandWrapper.java
index ed02ae6da38d..12491e610bb6 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtMigrateCommandWrapper.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/wrapper/LibvirtMigrateCommandWrapper.java
@@ -1082,41 +1082,6 @@ public static String maskSensitiveInfoInXML(String xmlDesc) {
                 "$1*****$3");
     }
 
-    /**
-     * Checks if any of the destination disks in the migration target a CLVM or CLVM_NG storage pool.
-     * This is used to determine if incremental migration should be disabled to avoid libvirt
-     * precreate errors with QCOW2-on-LVM setups.
-     *
-     * @param mapMigrateStorage the map containing migration disk information with destination pool types
-     * @return true if any destination disk targets CLVM or CLVM_NG, false otherwise
-     */
-    protected boolean hasClvmDestinationDisks(Map<String, MigrateCommand.MigrateDiskInfo> mapMigrateStorage) {
-        if (MapUtils.isEmpty(mapMigrateStorage)) {
-            return false;
-        }
-
-        try {
-            for (Map.Entry<String, MigrateCommand.MigrateDiskInfo> entry : mapMigrateStorage.entrySet()) {
-                MigrateCommand.MigrateDiskInfo diskInfo = entry.getValue();
-               if (isClvmBlockDevice(diskInfo)) {
-                    logger.debug("Found disk targeting CLVM/CLVM_NG destination pool");
-                    return true;
-               }
-            }
-        } catch (final Exception e) {
-            logger.debug("Failed to check for CLVM destination disks: {}. Assuming no CLVM disks.", e.getMessage());
-        }
-
-        return false;
-    }
-
-    private boolean isClvmBlockDevice(MigrateCommand.MigrateDiskInfo diskInfo) {
-        if (diskInfo == null ||diskInfo.getDestPoolType() == null) {
-            return false;
-        }
-        return (Storage.StoragePoolType.CLVM.equals(diskInfo.getDestPoolType()) || Storage.StoragePoolType.CLVM_NG.equals(diskInfo.getDestPoolType()));
-    }
-
     /**
      * Determines if the driver type should be updated during migration based on CLVM involvement.
      * The driver type needs to be updated when:
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/FiberChannelAdapter.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/FiberChannelAdapter.java
index 0a25b89d8c52..e36a3fb22666 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/FiberChannelAdapter.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/FiberChannelAdapter.java
@@ -69,13 +69,6 @@ public String getName() {
         return "FiberChannelAdapter";
     }
 
-    public boolean isStoragePoolTypeSupported(Storage.StoragePoolType type) {
-        if (Storage.StoragePoolType.FiberChannel.equals(type)) {
-            return true;
-        }
-        return false;
-    }
-
     @Override
     public AddressInfo parseAndValidatePath(String inPath) {
             // type=FIBERWWN; address=<address>; connid=<connid>
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KVMStorageProcessor.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KVMStorageProcessor.java
index 0cb32da318ea..e457fb9c1645 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KVMStorageProcessor.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KVMStorageProcessor.java
@@ -262,10 +262,6 @@ public KVMStorageProcessor(final KVMStoragePoolManager storagePoolMgr, final Lib
         this.resource = resource;
     }
 
-    protected String getDefaultStorageScriptsDir() {
-        return "scripts/storage/qcow2";
-    }
-
     public boolean configure(final String name, final Map<String, Object> params) throws ConfigurationException {
         storageLayer = new JavaStorageLayer();
         storageLayer.configure("StorageLayer", params);
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/LibvirtStorageAdaptor.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/LibvirtStorageAdaptor.java
index 8a1a7b5bbe2e..b112a181270b 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/LibvirtStorageAdaptor.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/LibvirtStorageAdaptor.java
@@ -85,7 +85,6 @@ public class LibvirtStorageAdaptor implements StorageAdaptor {
     protected Logger logger = LogManager.getLogger(getClass());
     private StorageLayer _storageLayer;
     private String _mountPoint = "/mnt";
-    private String _manageSnapshotPath;
     private static final ConcurrentHashMap<String, Integer> storagePoolRefCounts = new ConcurrentHashMap<>();
 
     private String rbdTemplateSnapName = "cloudstack-base-snap";
@@ -106,7 +105,6 @@ public class LibvirtStorageAdaptor implements StorageAdaptor {
 
     public LibvirtStorageAdaptor(StorageLayer storage) {
         _storageLayer = storage;
-        _manageSnapshotPath = Script.findScript("scripts/storage/qcow2/", "managesnapshot.sh");
     }
 
     @Override
@@ -282,16 +280,6 @@ public StorageVol createVolume(Connect conn, StoragePool pool, String uuid, long
         return pool.storageVolCreateXML(volDef.toString(), 0);
     }
 
-    public void storagePoolRefresh(StoragePool pool) {
-        try {
-            synchronized (getStoragePool(pool.getUUIDString())) {
-                refreshPool(pool);
-            }
-        } catch (LibvirtException e) {
-            logger.debug("refresh storage pool failed: " + e.toString());
-        }
-    }
-
     private void checkNetfsStoragePoolMounted(String uuid) {
         String targetPath = _mountPoint + File.separator + uuid;
         int mountpointResult = Script.runSimpleBashScriptForExitValue("mountpoint -q " + targetPath);
diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/MultipathSCSIAdapterBase.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/MultipathSCSIAdapterBase.java
index 13dab6942f8b..08eded5a600a 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/MultipathSCSIAdapterBase.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/MultipathSCSIAdapterBase.java
@@ -139,8 +139,6 @@ public KVMStoragePool getStoragePool(String uuid, boolean refreshInfo) {
 
     public abstract String getName();
 
-    public abstract boolean isStoragePoolTypeSupported(Storage.StoragePoolType type);
-
     public abstract AddressInfo parseAndValidatePath(String path);
 
     @Override
diff --git a/plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/linux/KVMHostInfo.java b/plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/linux/KVMHostInfo.java
index 1a562f1d330c..118a48b6f287 100644
--- a/plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/linux/KVMHostInfo.java
+++ b/plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/linux/KVMHostInfo.java
@@ -74,10 +74,6 @@ public KVMHostInfo(long reservedMemory, long overCommitMemory, long manualSpeed,
         }
     }
 
-    public int getTotalCpus() {
-        return this.totalCpus;
-    }
-
     public int getAllocatableCpus() {
         return this.allocatableCpus;
     }
diff --git a/plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/qemu/QemuImg.java b/plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/qemu/QemuImg.java
index 49f531ed7c11..46b59afe6d0d 100644
--- a/plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/qemu/QemuImg.java
+++ b/plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/qemu/QemuImg.java
@@ -999,14 +999,6 @@ protected Script createScript(String path, long timeout) {
         return new Script(path, timeout);
     }
 
-    /**
-     * Does qemu-img support --target-is-zero
-     * @return boolean
-     */
-    public boolean supportsSkipZeros() {
-        return this.skipZero;
-    }
-
     public void setSkipZero(boolean skipZero) {
         this.skipZero = skipZero;
     }