diff --git a/Kiwix-iOS/Storyboard/Library.storyboard b/Kiwix-iOS/Storyboard/Library.storyboard
index 3c5356c2..728a7046 100644
--- a/Kiwix-iOS/Storyboard/Library.storyboard
+++ b/Kiwix-iOS/Storyboard/Library.storyboard
@@ -340,10 +340,10 @@
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                                 <progressView opaque="NO" contentMode="scaleToFill" verticalHuggingPriority="750" progress="0.5" translatesAutoresizingMaskIntoConstraints="NO" id="bDK-ON-vzl">
-                                                    <rect key="frame" x="60" y="31" width="307" height="2"/>
+                                                    <rect key="frame" x="60" y="33" width="307" height="2"/>
                                                 </progressView>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="kV6-Lt-E6s">
-                                                    <rect key="frame" x="60" y="35" width="307" height="15"/>
+                                                    <rect key="frame" x="60" y="39" width="307" height="15"/>
                                                     <fontDescription key="fontDescription" type="system" pointSize="12"/>
                                                     <nil key="textColor"/>
                                                     <nil key="highlightedColor"/>
@@ -351,7 +351,7 @@
                                             </subviews>
                                             <constraints>
                                                 <constraint firstItem="GhC-S8-4Ak" firstAttribute="centerY" secondItem="nVN-8L-w1D" secondAttribute="centerY" id="1HQ-Ka-V5B"/>
-                                                <constraint firstItem="kV6-Lt-E6s" firstAttribute="top" secondItem="bDK-ON-vzl" secondAttribute="bottom" constant="2" id="BCZ-fO-oVq"/>
+                                                <constraint firstItem="kV6-Lt-E6s" firstAttribute="top" secondItem="bDK-ON-vzl" secondAttribute="bottom" constant="4" id="BCZ-fO-oVq"/>
                                                 <constraint firstAttribute="leadingMargin" secondItem="GhC-S8-4Ak" secondAttribute="leading" id="KJW-gj-p94"/>
                                                 <constraint firstItem="kV6-Lt-E6s" firstAttribute="leading" secondItem="GhC-S8-4Ak" secondAttribute="trailing" constant="8" id="MH1-8I-9h5"/>
                                                 <constraint firstItem="bDK-ON-vzl" firstAttribute="leading" secondItem="GhC-S8-4Ak" secondAttribute="trailing" constant="8" id="Nq4-pU-ACR"/>
@@ -360,7 +360,7 @@
                                                 <constraint firstAttribute="trailingMargin" secondItem="bDK-ON-vzl" secondAttribute="trailing" id="giD-gR-Qou"/>
                                                 <constraint firstAttribute="trailingMargin" secondItem="kV6-Lt-E6s" secondAttribute="trailing" id="lFV-oP-iqa"/>
                                                 <constraint firstItem="Zkf-Od-qYs" firstAttribute="leading" secondItem="GhC-S8-4Ak" secondAttribute="trailing" constant="8" id="pm3-kg-EYD"/>
-                                                <constraint firstItem="bDK-ON-vzl" firstAttribute="top" secondItem="Zkf-Od-qYs" secondAttribute="bottom" constant="2" id="rV9-Mq-ksX"/>
+                                                <constraint firstItem="bDK-ON-vzl" firstAttribute="top" secondItem="Zkf-Od-qYs" secondAttribute="bottom" constant="4" id="rV9-Mq-ksX"/>
                                             </constraints>
                                         </tableViewCellContentView>
                                         <connections>
diff --git a/Kiwix.xcodeproj/project.pbxproj b/Kiwix.xcodeproj/project.pbxproj
index 1a0b66bf..8c51dbaa 100644
--- a/Kiwix.xcodeproj/project.pbxproj
+++ b/Kiwix.xcodeproj/project.pbxproj
@@ -11,7 +11,6 @@
 		9705D5941E368189005292AC /* Library.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 9705D5931E368189005292AC /* Library.storyboard */; };
 		9705D5961E368712005292AC /* LibraryBooksController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9705D5951E368712005292AC /* LibraryBooksController.swift */; };
 		9705D5981E368933005292AC /* CoreDataCollectionBaseController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9705D5971E368933005292AC /* CoreDataCollectionBaseController.swift */; };
-		970A2A221DD562CB0078BB7C /* BookOperations.swift in Sources */ = {isa = PBXBuildFile; fileRef = 970A2A211DD562CB0078BB7C /* BookOperations.swift */; };
 		970E7F741D9DB0FC00741290 /* 1.8.xcmappingmodel in Sources */ = {isa = PBXBuildFile; fileRef = 970E7F731D9DB0FC00741290 /* 1.8.xcmappingmodel */; };
 		970E7F831DA0305000741290 /* WelcomeController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 970E7F7F1DA0305000741290 /* WelcomeController.swift */; };
 		9711871E1CEB449A00B9909D /* libz.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 9711871D1CEB449A00B9909D /* libz.tbd */; };
@@ -150,7 +149,6 @@
 		9705D5951E368712005292AC /* LibraryBooksController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LibraryBooksController.swift; sourceTree = "<group>"; };
 		9705D5971E368933005292AC /* CoreDataCollectionBaseController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CoreDataCollectionBaseController.swift; sourceTree = "<group>"; };
 		970912551D7F452C00BBD5A1 /* 1.8.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = 1.8.xcdatamodel; sourceTree = "<group>"; };
-		970A2A211DD562CB0078BB7C /* BookOperations.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BookOperations.swift; sourceTree = "<group>"; };
 		970E7F731D9DB0FC00741290 /* 1.8.xcmappingmodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcmappingmodel; name = 1.8.xcmappingmodel; path = Kiwix/CoreData/Migration/1.8.xcmappingmodel; sourceTree = SOURCE_ROOT; };
 		970E7F7C1DA0305000741290 /* Alerts.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Alerts.swift; sourceTree = "<group>"; };
 		970E7F7F1DA0305000741290 /* WelcomeController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = WelcomeController.swift; sourceTree = "<group>"; };
@@ -251,7 +249,6 @@
 		97C601DB1D7F15C400362D4F /* Bookmark.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = Bookmark.storyboard; sourceTree = "<group>"; };
 		97C601DD1D7F342100362D4F /* HTMLHeading.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = HTMLHeading.swift; sourceTree = "<group>"; };
 		97D0E9921DDA487E0029530E /* SearchBaseController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SearchBaseController.swift; sourceTree = "<group>"; };
-		97D4D64E1D874E6E00C1B065 /* SearchOperation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SearchOperation.swift; sourceTree = "<group>"; };
 		97D6811C1D6F70AC00E5FA99 /* Queue.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Queue.swift; sourceTree = "<group>"; };
 		97D6811E1D6F70AC00E5FA99 /* ScanLocalBook.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ScanLocalBook.swift; sourceTree = "<group>"; };
 		97D681211D6F70AC00E5FA99 /* UpdateWidgetDataSourceOperation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = UpdateWidgetDataSourceOperation.swift; sourceTree = "<group>"; };
@@ -678,12 +675,10 @@
 			children = (
 				97D6811C1D6F70AC00E5FA99 /* Queue.swift */,
 				9764CBD21D8083AA00072D6A /* ArticleOperation.swift */,
-				970A2A211DD562CB0078BB7C /* BookOperations.swift */,
 				973A5C981DEBC54800C7804C /* CloudKit.swift */,
 				973208281DD223DB00EDD3DC /* RefreshLibrary.swift */,
 				97D6811E1D6F70AC00E5FA99 /* ScanLocalBook.swift */,
 				972F81561DDBFC79008D7289 /* Search.swift */,
-				97D4D64E1D874E6E00C1B065 /* SearchOperation.swift */,
 				97D681211D6F70AC00E5FA99 /* UpdateWidgetDataSourceOperation.swift */,
 				976C1DD31E300695005EDEC4 /* UIProcedure.swift */,
 			);
@@ -916,7 +911,6 @@
 				97A1FD161D6F71CE00A80EE2 /* DirectoryMonitor.swift in Sources */,
 				9726591D1D90A64600D1DFFB /* Notification.swift in Sources */,
 				971A102C1D022AD5007FC62C /* BarButtonItems.swift in Sources */,
-				970A2A221DD562CB0078BB7C /* BookOperations.swift in Sources */,
 				97A1FD391D6F724E00A80EE2 /* pathTools.cpp in Sources */,
 				972F81591DDC1B71008D7289 /* Controllers.swift in Sources */,
 				976B86D81DDA0C7E00FA7FD1 /* SearchContainer.swift in Sources */,
diff --git a/Kiwix/Operations/ArticleOperation.swift b/Kiwix/Operations/ArticleOperation.swift
index 7534557c..75c3f505 100644
--- a/Kiwix/Operations/ArticleOperation.swift
+++ b/Kiwix/Operations/ArticleOperation.swift
@@ -96,15 +96,3 @@ class ArticleLoadOperation: Procedure {
     }
 }
 
-class SpotlightIndexOperation: Procedure {
-    init(url: URL) {
-        assert(Thread.isMainThread, "This Operation can only be initialized in the main thread")
-        super.init()
-    }
-    
-    override func execute() {
-        AppDelegate.persistentContainer.viewContext.performAndWait { 
-            
-        }
-    }
-}
diff --git a/Kiwix/Operations/BookOperations.swift b/Kiwix/Operations/BookOperations.swift
deleted file mode 100644
index 867d5346..00000000
--- a/Kiwix/Operations/BookOperations.swift
+++ /dev/null
@@ -1,39 +0,0 @@
-//
-//  Book.swift
-//  Kiwix
-//
-//  Created by Chris Li on 11/10/16.
-//  Copyright © 2016 Chris Li. All rights reserved.
-//
-
-import ProcedureKit
-
-/*
- Removes all zim file (single & chuncked) and the idx folder that belong to a book
- */
-
-class DeleteBookFileOperation: Procedure {
-    let zimID: ZimID
-    
-    init(zimID: ZimID) {
-        self.zimID = zimID
-        super.init()
-    }
-    
-    override func execute() {
-        guard let mainZimURL = ZimMultiReader.shared.readers[zimID]?.fileURL,
-            let fileName = mainZimURL.pathComponents.last else {
-            print("Cannot find reader")
-            finish()
-            return
-        }
-        
-        let urls = URLSnapShot.zimFileURLsInDocDir().union(URLSnapShot.indexFolderURLsInDocDir())
-        urls.forEach { (url) in
-            guard url.pathComponents.last == fileName else {return}
-            try? FileManager.default.removeItem(at: url)
-        }
-        
-        finish()
-    }
-}
diff --git a/Kiwix/Operations/SearchOperation.swift b/Kiwix/Operations/SearchOperation.swift
deleted file mode 100644
index 1025f224..00000000
--- a/Kiwix/Operations/SearchOperation.swift
+++ /dev/null
@@ -1,98 +0,0 @@
-//
-//  SearchOperation.swift
-//  Kiwix
-//
-//  Created by Chris Li on 9/12/16.
-//  Copyright © 2016 Chris Li. All rights reserved.
-//
-
-import CoreData
-import ProcedureKit
-
-class SearchOperation: GroupProcedure {
-    fileprivate(set) var results = [SearchResult]()
-    let searchTerm: String
-    
-    init(searchTerm: String) {
-        self.searchTerm = searchTerm
-        super.init(operations: [])
-    }
-    
-    override func execute() {
-        let searches = Book.fetchLocal(NSManagedObjectContext.mainQueueContext)
-            .filter({ $1.includeInSearch })
-            .map({ BookSearch(zimID: $1.id, searchTerm: searchTerm) })
-        let sort = Sort()
-        searches.forEach { (search) in
-            sort.injectResultFromDependency(search, block: { (operation, dependency, errors) in
-                operation.requirement += dependency.results
-            })
-        }
-        
-        sort.addObserver(DidFinishObserver { [unowned self] (operation, errors) in
-            guard let operation = operation as? Sort else {return}
-            self.results = operation.requirement
-            })
-        
-        addOperations(searches)
-        addOperation(sort)
-        
-        super.execute()
-    }
-}
-
-private class BookSearch: Procedure {
-    let zimID: String
-    let searchTerm: String
-    fileprivate var results = [SearchResult]()
-    
-    init(zimID: String, searchTerm: String) {
-        self.zimID = zimID
-        self.searchTerm = searchTerm
-        super.init()
-    }
-    
-    override fileprivate func execute() {
-        defer { finish() }
-        guard let reader = ZimMultiReader.shared.readers[zimID] else {return}
-        
-        guard !isCancelled else {return}
-        let indexedDics = reader.search(usingIndex: searchTerm) as? [[String: AnyObject]] ?? [[String: AnyObject]]()
-        
-        guard !isCancelled else {return}
-        let titleDics = reader.searchSuggestionsSmart(searchTerm) as? [[String: AnyObject]] ?? [[String: AnyObject]]()
-        
-        guard !isCancelled else {return}
-        let mixedDics = titleDics + indexedDics // It is important we process the title search result first, so that we always keep the indexed search result
-        for dic in mixedDics {
-            guard let result = SearchResult (rawResult: dic, lowerCaseSearchTerm: searchTerm) else {continue}
-            self.results.append(result)
-        }
-    }
-}
-
-private class Sort: Procedure, AutomaticInjectionOperationType {
-    var requirement = [SearchResult]()
-    
-    fileprivate override func execute() {
-        defer { finish() }
-        guard !isCancelled else {return}
-        sort()
-    }
-    
-    fileprivate func sort() {
-        requirement.sort { (result0, result1) -> Bool in
-            if result0.score != result1.score {
-                return result0.score < result1.score
-            } else {
-                if result0.snippet != nil {return true}
-                if result1.snippet != nil {return false}
-                return titleCaseInsensitiveCompare(result0, result1: result1)
-            }
-        }
-    }
-    
-    fileprivate func titleCaseInsensitiveCompare(_ result0: SearchResult, result1: SearchResult) -> Bool {
-        return result0.title.caseInsensitiveCompare(result1.title) == ComparisonResult.orderedAscending
-    }
-}