diff --git a/ChangeLog b/ChangeLog
index 08bae36c..821a3b87 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -24970,3 +24970,6 @@
 2025-03-19 Fred Gleason <fredg@paravelsystems.com>
 	* Fixed a bug in the 'hpiplayout-test' test harness that caused the
 	build to fail when HPI support was disabled.
+2025-04-07 Fred Gleason <fredg@paravelsystems.com>
+	* Dropped the 'RDAIRPLAY.INSTANCE' field from the database.
+	* Incremented the database version to 376.
diff --git a/lib/dbversion.h b/lib/dbversion.h
index 04748dfc..71c83315 100644
--- a/lib/dbversion.h
+++ b/lib/dbversion.h
@@ -24,7 +24,7 @@
 /*
  * Current Database Version
  */
-#define RD_VERSION_DATABASE 375
+#define RD_VERSION_DATABASE 376
 
 
 #endif  // DBVERSION_H
diff --git a/utils/rddbmgr/revertschema.cpp b/utils/rddbmgr/revertschema.cpp
index 2414eb7e..978ed524 100644
--- a/utils/rddbmgr/revertschema.cpp
+++ b/utils/rddbmgr/revertschema.cpp
@@ -40,6 +40,25 @@ bool MainObject::RevertSchema(int cur_schema,int set_schema,QString *err_msg)
 
   // NEW SCHEMA REVERSIONS GO HERE...
 
+  //
+  // Revert 376
+  //
+  if((cur_schema == 376) && (set_schema < cur_schema))
+  {
+    DropIndex("RDAIRPLAY","STATION_IDX");
+    sql=QString("alter table `RDAIRPLAY` ")+
+      "add column `INSTANCE` int unsigned after `STATION`";
+    if(!RDSqlQuery::apply(sql,err_msg)) {
+      return false;
+    }
+    sql=QString("alter table `RDAIRPLAY` add index `STATION_IDX` (`STATION`,`INSTANCE`)");
+    if(!RDSqlQuery::apply(sql,err_msg)) {
+      return false;
+    }
+    
+    WriteSchemaVersion(--cur_schema);
+  }
+
   //
   // Revert 375
   //
diff --git a/utils/rddbmgr/schemamap.cpp b/utils/rddbmgr/schemamap.cpp
index 7b585575..7492e0bc 100644
--- a/utils/rddbmgr/schemamap.cpp
+++ b/utils/rddbmgr/schemamap.cpp
@@ -164,6 +164,7 @@ void MainObject::InitializeSchemaMap() {
   global_version_map["4.1"]=371;
   global_version_map["4.2"]=374;
   global_version_map["4.3"]=375;
+  global_version_map["4.4"]=376;
 }
 
 
diff --git a/utils/rddbmgr/updateschema.cpp b/utils/rddbmgr/updateschema.cpp
index 718c9ce8..6362ab8b 100644
--- a/utils/rddbmgr/updateschema.cpp
+++ b/utils/rddbmgr/updateschema.cpp
@@ -18,6 +18,8 @@
 //   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 //
 
+#include <QMultiMap>
+
 #include <rdcart.h>
 #include <rdconf.h>
 #include <rddb.h>
@@ -11853,6 +11855,46 @@ bool MainObject::UpdateSchema(int cur_schema,int set_schema,QString *err_msg)
     WriteSchemaVersion(++cur_schema);
   }
 
+  if((cur_schema<376)&&(set_schema>cur_schema)) {
+    //
+    // De-duplicate Host Entries
+    //
+    QMultiMap<QString,int> id_map;
+    sql=QString("select ")+
+      "`STATION`,"+  // 00
+      "`ID` "+       // 01
+      "from `RDAIRPLAY`";
+    RDSqlQuery *q=new RDSqlQuery(sql);
+    while(q->next()) {
+      id_map.insert(q->value(0).toString(),q->value(1).toInt());
+    }
+    delete q;
+    QStringList keys=id_map.uniqueKeys();
+    for(int i=0;i<keys.size();i++) {
+      QList<int> ids=id_map.values(keys.at(i));
+      for(int j=1;j<ids.size();j++) {
+	sql=QString("delete from `RDAIRPLAY` where ")+
+	  QString::asprintf("`ID`=%d",ids.at(j));
+	fprintf(stderr,"deleting duplicate RDAIRPLAY entry %d:\"%s\"\n",
+		ids.at(j),keys.at(i).toUtf8().constData());
+	RDSqlQuery::apply(sql);
+      }
+    }
+
+    //
+    // Apply Schema Change
+    //
+    DropIndex("RDAIRPLAY","STATION_IDX");
+    DropColumn("RDAIRPLAY","INSTANCE");
+    sql=QString("alter table `RDAIRPLAY` ")+
+      "add unique index `STATION_IDX` (`STATION`)";
+    if(!RDSqlQuery::apply(sql,err_msg)) {
+      return false;
+    }
+    
+    WriteSchemaVersion(++cur_schema);
+  }
+
 
   // NEW SCHEMA UPDATES GO HERE...