diff --git a/pom.xml b/pom.xml
index 49cf277..aa9bb3c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,11 +31,6 @@
 
 	<dependencyManagement>
 		<dependencies>
-			<dependency>
-				<groupId>com.google.visualization</groupId>
-				<artifactId>visualization-datasource</artifactId>
-				<version>1.1.1</version>
-			</dependency>
 			<dependency>
 				<groupId>de.flapdoodle.embed</groupId>
 				<artifactId>de.flapdoodle.embed.mongo</artifactId>
diff --git a/web/pom.xml b/web/pom.xml
index 9a0cbbf..1fc1e89 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -67,11 +67,6 @@
             <optional>true</optional>
         </dependency>
 
-        <dependency>
-            <groupId>com.google.visualization</groupId>
-            <artifactId>visualization-datasource</artifactId>
-        </dependency>
-
         <dependency>
             <groupId>de.flapdoodle.embed</groupId>
             <artifactId>de.flapdoodle.embed.mongo</artifactId>
diff --git a/web/src/main/java/com/austenconstable/web/trend/TrendController.java b/web/src/main/java/com/austenconstable/web/trend/TrendController.java
index ef08ffa..960d51e 100644
--- a/web/src/main/java/com/austenconstable/web/trend/TrendController.java
+++ b/web/src/main/java/com/austenconstable/web/trend/TrendController.java
@@ -12,21 +12,16 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ObjectWriter;
-import com.google.visualization.datasource.base.TypeMismatchException;
-import com.google.visualization.datasource.datatable.ColumnDescription;
-import com.google.visualization.datasource.datatable.DataTable;
-import com.google.visualization.datasource.datatable.TableCell;
-import com.google.visualization.datasource.datatable.TableRow;
-import com.google.visualization.datasource.datatable.value.DateValue;
-import com.google.visualization.datasource.datatable.value.ValueType;
-import com.google.visualization.datasource.render.JsonRenderer;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.mobile.device.Device;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import java.math.BigDecimal;
 import java.math.RoundingMode;
@@ -35,8 +30,6 @@
 import java.time.ZoneOffset;
 import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
-import java.time.format.TextStyle;
-import java.time.temporal.TemporalField;
 import java.time.temporal.WeekFields;
 import java.util.*;
 
@@ -69,81 +62,8 @@ public static double round(double value, int places) {
         return bd.doubleValue();
     }
 
-    @Deprecated
-    @RequestMapping("/trend/monthly/{team}")
-    @ResponseBody
-    public String rollingMonthlyTrend(Model model, @PathVariable String team) {
-
-        DataTable data = new DataTable();
-
-        data.addColumn(new ColumnDescription("month", ValueType.DATE, "Month"));
-        data.addColumn(new ColumnDescription("happiness", ValueType.NUMBER, "Happiness"));
-        data.addColumn(new ColumnDescription("responses", ValueType.NUMBER, "Responses"));
-
-        try {
-            ArrayList<TableRow> rows = new ArrayList<>();
-
-            ArrayList<HappinessTrend> trends = trendService.getMonthlyTrendData(team);
-
-            for (HappinessTrend trend:trends) {
-                TableRow tr = new TableRow();
-                tr.addCell(new TableCell(new DateValue(trend.getTrendDate().getYear(), trend.getTrendDate().getMonth().getValue() - 1, 1)
-                        , trend.getTrendDate().getMonth().getDisplayName(TextStyle.SHORT, Locale.ENGLISH)));
-                tr.addCell(trend.getAvgHappinessRating());
-                tr.addCell(trend.getResponseCount());
-                rows.add(tr);
-            }
-
-            data.addRows(rows);
-
-        } catch (TypeMismatchException e) {
-            System.out.print(e);
-        }
-
-        return JsonRenderer.renderDataTable(data, true, true, false).toString();
-
-    }
-
-    @Deprecated
-    @RequestMapping("/trend/weekly/{team}")
-    @ResponseBody
-    public String rollingWeeklyTrend(Model model, @PathVariable String team) {
-
-        DataTable data = new DataTable();
-
-        data.addColumn(new ColumnDescription("week", ValueType.DATE, "Week"));
-        data.addColumn(new ColumnDescription("happiness", ValueType.NUMBER, "Happiness"));
-        data.addColumn(new ColumnDescription("responses", ValueType.NUMBER, "Responses"));
-
-        try {
-            ArrayList<TableRow> rows = new ArrayList<>();
-
-            ArrayList<HappinessTrend> trends = trendService.getWeeklyTrendData(team);
-
-            TemporalField woy = WeekFields.of(Locale.getDefault()).weekOfWeekBasedYear();
-
-            for (HappinessTrend trend:trends) {
-                TableRow tr = new TableRow();
-                tr.addCell(new TableCell(new DateValue(trend.getTrendDate().getYear(), trend.getTrendDate().getMonth().getValue() - 1, trend.getTrendDate().getDayOfMonth())
-                        , "Week " + trend.getTrendDate().get(woy) + ", " + trend.getTrendDate().getMonth().getDisplayName(TextStyle.SHORT, Locale.ENGLISH)
-                        + " " + trend.getTrendDate().getYear()));
-                tr.addCell(trend.getAvgHappinessRating());
-                tr.addCell(trend.getResponseCount());
-                rows.add(tr);
-            }
-
-            data.addRows(rows);
-
-        } catch (TypeMismatchException e) {
-            System.out.print(e);
-        }
-
-        return JsonRenderer.renderDataTable(data, true, true, false).toString();
-
-    }
-
     @GetMapping("/")
-    public String index(Device device) throws Exception {
+    public String index(Device device) {
 
         if(device.isMobile() || device.isTablet()){
             return "thankyou";
@@ -153,13 +73,13 @@ public String index(Device device) throws Exception {
     }
 
     @GetMapping("/chart")
-    public String chart() throws Exception {
+    public String chart() {
         return "trendgraph";
     }
 
     @GetMapping("/thankyou")
-    public String thankyou(Device device, @RequestParam(name="team", required = true) String teamId,
-                          @RequestParam(name="rating", required = false) String rating, Model model) throws Exception {
+    public String thankyou(Device device, @RequestParam(name="team") String teamId,
+                          @RequestParam(name="rating", required = false) String rating, Model model) {
 
         HierarchyEntity team = hierarchyClient.findEntityBySlug(teamId);
 
@@ -192,7 +112,7 @@ private  LineDataset createTrendDataSet(String dataSetName, HashMap<String, Doub
      dataset.setPointBackgroundColor(pointsColors);
     if(child)
      {
-     dataset.setBorderDash(new ArrayList<Integer>(Arrays.asList(new Integer[]{5, 5})));
+     dataset.setBorderDash(new ArrayList<Integer>(Arrays.asList(5, 5)));
      }
      dataset.setYAxisID("y-axis-1");
      return dataset;
@@ -210,7 +130,7 @@ private  LineDataset createCountDataSet(String dataSetName, HashMap<String, Inte
     dataset.setPointBackgroundColor(pointsColors);
     if(child)
         {
-        dataset.setBorderDash(new ArrayList<Integer>(Arrays.asList(new Integer[]{5, 5})));
+        dataset.setBorderDash(new ArrayList<Integer>(Arrays.asList(5, 5)));
         }
     dataset.setYAxisID("y-axis-2");
     return dataset;