diff --git a/web/source/kmwcallback.ts b/web/source/kmwcallback.ts
index 6c0cb02cd2..642cba5c6f 100644
--- a/web/source/kmwcallback.ts
+++ b/web/source/kmwcallback.ts
@@ -415,10 +415,11 @@ class KeyboardInterface {
       this.keymanweb['oninserttext'](dn,s);
     }
 
+    var Ldoc: Document;
     if(Pelem.body) {
-      var Ldoc=Pelem;
+      Ldoc=Pelem;
     } else {
-      var Ldoc=Pelem.ownerDocument;	// I1481 - integration with rich editors not working 100%
+      Ldoc=Pelem.ownerDocument;	// I1481 - integration with rich editors not working 100%
     }
     var Li, Ldv;
   
@@ -494,55 +495,6 @@ class KeyboardInterface {
         this._DeadkeyDeleteMatched();                                  // I3318
         this._DeadkeyAdjustPos(LselectionStart, -dn + s._kmwLength()); // I3318
       } // Internet Explorer   (including IE9)   
-    } else if(Ldoc  &&  (Ldv=Ldoc.selection)) { // build 77 - use elem.ownerDocument.selection
-      if(Ldoc.body.isContentEditable || Ldoc.designMode.toLowerCase()=='on') { // I1295 - isContentEditable
-        var _CacheableCommands = this._CacheCommands(Ldoc);
-      }
-
-      var Lrange = Ldv.createRange(), Ls1;
-      if(Lrange.text != '') {
-        Ldv.clear();
-        dn = 0;
-      } else {
-        Lrange.collapse(true);
-      }
-
-      if(dn > 0) {              
-        Lrange.moveStart('character',-2*dn);  // I3319 (next four lines
-        var s0=Lrange.text,s1=s0._kmwSubstr(-dn);
-        Lrange.collapse(false); //move start back to end
-        Lrange.moveStart('character',-s1.length);
-      } else {
-        dn = 0;
-      }
-
-      Lrange.text = s;
-
-      if(Ldoc.body.isContentEditable || Ldoc.designMode.toLowerCase()=='on') { // I1295 - isContentEditable
-        Lrange.moveStart('character',-s.length);
-        
-        this._CacheCommandsReset(Ldoc, _CacheableCommands,Lrange.select);
-        Lrange.moveStart('character',s.length);
-        Lrange.select();
-      }
-      // Adjust deadkey positions 
-      if(dn >= 0) {
-        // Pelem.selectionStart seems to exist here in IE 9 and is valid.  This provides a possible approach, but may be wrong.
-        // It appears safe to model the deadkey adjustment based on the non-IE9 code path's calculations.
-        if(Pelem._KeymanWebSelectionStart != null) {// changed to allow a value of 0
-          LselectionStart = Pelem._KeymanWebSelectionStart;
-        } else {
-          LselectionStart = Pelem.value._kmwCodeUnitToCodePoint(Pelem.selectionStart);  // I3319
-        }
-
-        this._DeadkeyDeleteMatched();                                  // I3318
-        this._DeadkeyAdjustPos(LselectionStart, -dn + s._kmwLength()); // I3318
-      }
-
-      DOMEventHandlers.states._Selection = Ldv.createRange();
-      DOMEventHandlers.states._Selection.select();
-      DOMEventHandlers.states._Selection.scrollIntoView();
-      // Mozilla et al; IE9+ also recognizes setSelectionRange, but does not seem to work in exactly the same way as Mozilla
     } else if (Pelem.setSelectionRange) {                                        
       var LselectionStart, LselectionEnd;
             
@@ -636,7 +588,7 @@ class KeyboardInterface {
    * Description  Build reate list of styles that can be applied in iframes
    */    
   private _CacheCommands = function(_Document: Document): StyleCommand[] { // I1204 - style application in IFRAMEs, I2192, I2134, I2192   
-    //var _CacheableBackColor=(_Document.selection?'hilitecolor':'backcolor');
+    //var _CacheableBackColor='backcolor';
 
     var _CacheableCommands=[
       new StyleCommand('backcolor',1), new StyleCommand('fontname',1), new StyleCommand('fontsize',1), 
diff --git a/web/source/kmwdebug.js b/web/source/kmwdebug.js
index 245fe5a908..19348f5eea 100644
--- a/web/source/kmwdebug.js
+++ b/web/source/kmwdebug.js
@@ -140,9 +140,6 @@ if(!window['keyman']['initialized']) {
         }
         //Lelem.scrollIntoView(); //***temporarily disabled, JMD 23/12/11
         //keymanweb._DivDebug.innerHTML = keymanweb._DivDebug.innerHTML + '<br>'+keymanweb._DebugDepth+Ps;
-      //if(!document.selection)
-      //    keymanweb._DivDebug.scrollTop = (keymanweb._DivDebug.scrollHeight - keymanweb._DivDebug.clientHeight<0 ? 0 :
-        //    keymanweb._DivDebug.scrollHeight - keymanweb._DivDebug.clientHeight);
       }
     }
     
@@ -161,56 +158,25 @@ if(!window['keyman']['initialized']) {
     _DebugDeadKeys = function(Pelem, Ps)
     {
       var Lt = "", Li, Lp = 0, Ls, Lj;
-      if(document.selection)
+      
+      // if(!keymanweb._IE) return true; //added test to avoid compiler warning 27/8 JMD // Commented-out after removal of document.selection 25/01/18 JAH
+      
+      // Mozilla debug (table formatting removed)
+      if(Pelem.tagName == 'HTML') Ls = Pelem.innerHTML; else Ls = Pelem.value; Lt = ''; //span style="font-size: 12pt">';
+      if(typeof(Ls) === 'undefined') return;
+      for(Li = 0; Li <= Ls._kmwLength(); Li++) Lt += "<"+Ls._kmwCharAt(Li)+">"; //I3319
+      for(Li = 0; Li <= Ls._kmwLength(); Li++)  //I3319
       {
-        // IE debug
-        for(Li = 0; Li < kbdInterface._DeadKeys.length; Li++)
+        for(var Lj = 0; Lj < kbdInterface._DeadKeys.length; Lj++)
         {
-          if(kbdInterface._DeadKeys[Li].p > Lp) Lp = kbdInterface._DeadKeys[Li].p;
+          Lt = Lt + '['+kbdInterface._DeadKeys[Lj].p+':'+kbdInterface._DeadKeys[Lj].d+']';
         }
-        Ls = kbdInterface.context(Lp+1, Lp+1, Pelem); Lt = '<span style="font-size: 12pt">';
-        if(Ls !== false && Ls._kmwLength() > Lp)  //I3319
-        {
-          /* We want to show the previous character in the context */
-          Lt = Lt + Ls._kmwSubstr(0,1); Ls = Ls._kmwSlice(1); //I3319
-        }
-        for(Li = 0; Li <= Ls._kmwLength(); Li++) //I3319
-        {
-          for(Lj = 0; Lj < kbdInterface._DeadKeys.length; Lj++)
-          {
-            if(kbdInterface._DeadKeys[Lj].p == Ls._kmwLength() - Li) Lt = Lt + '<span style="color: red">'+kbdInterface._DeadKeys[Lj].d+'</span>'; //I3319
-          }
-          if(Li < Ls._kmwLength()) Lt = Lt + Ls._kmwCharAt(Li); //I3319
-        }
-        
-        Lt = Lt + '</span> - ';
-        for(Li = 0; Li < kbdInterface._DeadKeys.length; Li++)
-        {
-          Lt = Lt + 'dk['+Li+'] = {pos: '+kbdInterface._DeadKeys[Li].p+', deadKey: '+kbdInterface._DeadKeys[Li].d+'} ';
-        }
-        
-        _Debug(Ps + ': ' + Lt);
-      }
-      else
-      {
-        if(!keymanweb._IE) return true; //added test to avoid compiler warning 27/8 JMD
-        
-        // Mozilla debug (table formatting removed)
-        if(Pelem.tagName == 'HTML') Ls = Pelem.innerHTML; else Ls = Pelem.value; Lt = ''; //span style="font-size: 12pt">';
-        if(typeof(Ls) === 'undefined') return;
-        for(Li = 0; Li <= Ls._kmwLength(); Li++) Lt += "<"+Ls._kmwCharAt(Li)+">"; //I3319
-        for(Li = 0; Li <= Ls._kmwLength(); Li++)  //I3319
-        {
-          for(var Lj = 0; Lj < kbdInterface._DeadKeys.length; Lj++)
-          {
-            Lt = Lt + '['+kbdInterface._DeadKeys[Lj].p+':'+kbdInterface._DeadKeys[Lj].d+']';
-          }
-          if(Li < Ls._kmwLength()) Lt = Lt + Ls._kmwCharAt(Li);
-        }
-        
-        //_Debug(Ps + ': ' + Lt);
-          //Lt = Lt + keymanweb._DebugDepth + ' &nbsp; dk['+Li+'] = {pos: '+kbdInterface._DeadKeys[Li].p+', deadKey: '+kbdInterface._DeadKeys[Li].d+'}<br>';
+        if(Li < Ls._kmwLength()) Lt = Lt + Ls._kmwCharAt(Li);
       }
+      
+      //_Debug(Ps + ': ' + Lt);
+        //Lt = Lt + keymanweb._DebugDepth + ' &nbsp; dk['+Li+'] = {pos: '+kbdInterface._DeadKeys[Li].p+', deadKey: '+kbdInterface._DeadKeys[Li].d+'}<br>';
+    
 
   /*
       var Lt = "", Li, Lp = 0;
diff --git a/web/source/kmwdomevents.ts b/web/source/kmwdomevents.ts
index 0ffcb6deaa..17235f3638 100644
--- a/web/source/kmwdomevents.ts
+++ b/web/source/kmwdomevents.ts
@@ -593,7 +593,7 @@ class DOMEventHandlers {
    * Description  Processes keydown event and passes data to keyboard. 
    */ 
   _KeyDown: (e: KeyboardEvent) => boolean = function(this: DOMEventHandlers, e: KeyboardEvent): boolean {
-    var Ldv, eClass='';
+    var Ldv: Document, eClass='';
     var activeKeyboard = this.keyman.keyboardManager.activeKeyboard;
     var osk = this.keyman.osk;
     var util = this.keyman.util;
@@ -648,11 +648,6 @@ class DOMEventHandlers {
       this.keyman.keyboardManager.notifyKeyboard(0,Levent.Ltarg,1); 
       osk._UpdateVKShift(Levent, 0, 1);
     }
-    
-    // I1207
-    if((Ldv=Levent.Ltarg.ownerDocument)  &&  (Ldv=Ldv.selection)  &&  (Levent.Lcode<33 || Levent.Lcode>40)) {
-      Ldv.createRange().select();
-    }
 
     if(!window.event) {
       // I1466 - Convert the - keycode on mnemonic as well as positional layouts
@@ -858,15 +853,6 @@ class DOMEventHandlers {
       keyboardManager.notifyKeyboard(0,Levent.Ltarg,0); 
       osk._UpdateVKShift(Levent, 0, 1);  // I2187
     }
-
-    // I736 start
-    var Ldv;
-    if((Ldv=Levent.Ltarg.ownerDocument)  &&  (Ldv=Ldv.selection)  &&  Ldv.type != 'control') { // I1479 - avoid createRange on controls
-      Ldv=Ldv.createRange();
-      //if(Ldv.parentElement()==Levent.Ltarg) //I1505
-      DOMEventHandlers.states._Selection = Ldv;
-    }
-    // I736 end
     
     return false;
   }.bind(this);
diff --git a/web/source/kmwembedded.ts b/web/source/kmwembedded.ts
index a1b9b9918e..97fd949531 100644
--- a/web/source/kmwembedded.ts
+++ b/web/source/kmwembedded.ts
@@ -166,18 +166,6 @@
 //dbg(n+' '+ln+' '+Pelem.value._kmwSubstring(LselectionStart-n,LselectionStart-n+ln));
       return Pelem.value._kmwSubstring(LselectionStart-n,LselectionStart-n+ln); //I3319, KMW-1
     }
-    
-    else if(Ldoc  &&  (Ldv=Ldoc.selection)) // build 77 - use elem.ownerDocument instead of document
-                                            // I1481 - use Ldoc to get the ownerDocument when no selection is found
-    {  
-      /* IE */
-      var Lrange = Ldv.createRange();
-      //if (Lrange.parentElement() == Pelem) {  // build 77 - ignore parent of selection
-      Lrange.moveStart('character',-2*n);                     //I3319
-
-      return Lrange.text._kmwSubstr(-n)._kmwSubstring(0,ln);  //I3319
-      //}
-    }
 
     return "";
   };
diff --git a/web/source/kmwnative.ts b/web/source/kmwnative.ts
index 7116eee505..04817a8649 100644
--- a/web/source/kmwnative.ts
+++ b/web/source/kmwnative.ts
@@ -134,13 +134,6 @@ if(!window['keyman']['initialized']) {
           LselectionEnd = keymanweb._CachedSelectionEnd;     // I3319           
         }
         tempContext = Pelem.value._kmwSubstr(0, LselectionStart);
-      } else if(Ldoc  &&  (Ldv=Ldoc.selection)) { // build 77 - use elem.ownerDocument instead of document
-                                              // I1481 - use Ldoc to get the ownerDocument when no selection is found
-        /* IE */
-        var Lrange = Ldv.createRange();
-        //if (Lrange.parentElement() == Pelem) {  // build 77 - ignore parent of selection
-        Lrange.moveStart('character',-2*n); // allows for supp chars        //I3319
-        tempContext = Lrange.text;
       }
 
       if(tempContext._kmwLength() < n) {