diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/base/RelatedObjectSet.java b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/base/RelatedObjectSet.java
index 810e9a5f1..add954c5a 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/base/RelatedObjectSet.java
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/base/RelatedObjectSet.java
@@ -76,11 +76,11 @@ public abstract class RelatedObjectSet<ParentObjectType extends ModeledDirectory
     }
 
     /**
-     * Returns the mapper which provides low-level access to the the database
+     * Returns the mapper which provides low-level access to the database
      * models which drive the relation represented by this RelatedObjectSet.
      *
      * @return
-     *     The mapper which provides low-level access to the the database
+     *     The mapper which provides low-level access to the database
      *     models which drive the relation represented by this
      *     RelatedObjectSet.
      */
diff --git a/extensions/guacamole-auth-totp/src/main/java/org/apache/guacamole/totp/TOTPGenerator.java b/extensions/guacamole-auth-totp/src/main/java/org/apache/guacamole/totp/TOTPGenerator.java
index 0c303f1f3..a35dde9b5 100644
--- a/extensions/guacamole-auth-totp/src/main/java/org/apache/guacamole/totp/TOTPGenerator.java
+++ b/extensions/guacamole-auth-totp/src/main/java/org/apache/guacamole/totp/TOTPGenerator.java
@@ -438,8 +438,7 @@ public class TOTPGenerator {
      *
      * @return
      *     The TOTP code which would have been generated immediately prior to
-     *     the the code returned by invoking generate() with the given
-     *     timestamp.
+     *     the code returned by invoking generate() with the given timestamp.
      */
     public String previous(long time) {
         return generate(Math.max(startTime, time - timeStep));
diff --git a/guacamole-common-js/src/main/webapp/modules/Layer.js b/guacamole-common-js/src/main/webapp/modules/Layer.js
index 9561be423..56af8474d 100644
--- a/guacamole-common-js/src/main/webapp/modules/Layer.js
+++ b/guacamole-common-js/src/main/webapp/modules/Layer.js
@@ -205,8 +205,8 @@ Guacamole.Layer = function(width, height) {
      *                   rectangle to fit.
      * @param {Number} y The Y coordinate of the upper-left corner of the
      *                   rectangle to fit.
-     * @param {Number} w The width of the the rectangle to fit.
-     * @param {Number} h The height of the the rectangle to fit.
+     * @param {Number} w The width of the rectangle to fit.
+     * @param {Number} h The height of the rectangle to fit.
      */
     function fitRect(x, y, w, h) {
         
diff --git a/guacamole-common/src/main/java/org/apache/guacamole/protocol/FilteredGuacamoleReader.java b/guacamole-common/src/main/java/org/apache/guacamole/protocol/FilteredGuacamoleReader.java
index 52184f120..2c8741625 100644
--- a/guacamole-common/src/main/java/org/apache/guacamole/protocol/FilteredGuacamoleReader.java
+++ b/guacamole-common/src/main/java/org/apache/guacamole/protocol/FilteredGuacamoleReader.java
@@ -24,8 +24,7 @@ import org.apache.guacamole.io.GuacamoleReader;
 
 /**
  * GuacamoleReader which applies a given GuacamoleFilter to observe or alter all
- * read instructions. Instructions may also be dropped or denied by the the
- * filter.
+ * read instructions. Instructions may also be dropped or denied by the filter.
  */
 public class FilteredGuacamoleReader implements GuacamoleReader {
 
diff --git a/guacamole-ext/src/main/java/org/apache/guacamole/environment/Environment.java b/guacamole-ext/src/main/java/org/apache/guacamole/environment/Environment.java
index 16f8f58d3..c36b953ac 100644
--- a/guacamole-ext/src/main/java/org/apache/guacamole/environment/Environment.java
+++ b/guacamole-ext/src/main/java/org/apache/guacamole/environment/Environment.java
@@ -158,8 +158,7 @@ public interface Environment {
      *     connect to guacd.
      *
      * @throws GuacamoleException
-     *     If the the connection information for guacd cannot be
-     *     retrieved.
+     *     If the connection information for guacd cannot be retrieved.
      */
     public GuacamoleProxyConfiguration getDefaultGuacamoleProxyConfiguration()
             throws GuacamoleException;
diff --git a/guacamole/src/main/frontend/src/app/navigation/types/PageDefinition.js b/guacamole/src/main/frontend/src/app/navigation/types/PageDefinition.js
index 96f5785ed..f78129c4f 100644
--- a/guacamole/src/main/frontend/src/app/navigation/types/PageDefinition.js
+++ b/guacamole/src/main/frontend/src/app/navigation/types/PageDefinition.js
@@ -34,7 +34,7 @@ angular.module('navigation').factory('PageDefinition', [function definePageDefin
     var PageDefinition = function PageDefinition(template) {
 
         /**
-         * The the name of the page, which should be a translation table key.
+         * The name of the page, which should be a translation table key.
          * Alternatively, this may also be a list of names, where the final
          * name represents the page and earlier names represent categorization.
          * Those categorical names may be rendered hierarchically as a system
diff --git a/guacamole/src/main/java/org/apache/guacamole/extension/ExtensionModule.java b/guacamole/src/main/java/org/apache/guacamole/extension/ExtensionModule.java
index d5aedb005..fbb75a564 100644
--- a/guacamole/src/main/java/org/apache/guacamole/extension/ExtensionModule.java
+++ b/guacamole/src/main/java/org/apache/guacamole/extension/ExtensionModule.java
@@ -221,7 +221,7 @@ public class ExtensionModule extends ServletModule {
     }
 
     /**
-     * Binds each of the the given AuthenticationProvider classes such that any
+     * Binds each of the given AuthenticationProvider classes such that any
      * service requiring access to the AuthenticationProvider can obtain it via
      * injection.
      *
@@ -277,7 +277,7 @@ public class ExtensionModule extends ServletModule {
     }
 
     /**
-     * Binds each of the the given Listener classes such that any
+     * Binds each of the given Listener classes such that any
      * service requiring access to the Listener can obtain it via
      * injection.
      *
diff --git a/guacamole/src/main/java/org/apache/guacamole/rest/auth/DecoratedUserContext.java b/guacamole/src/main/java/org/apache/guacamole/rest/auth/DecoratedUserContext.java
index 24ad8b35b..d773068f3 100644
--- a/guacamole/src/main/java/org/apache/guacamole/rest/auth/DecoratedUserContext.java
+++ b/guacamole/src/main/java/org/apache/guacamole/rest/auth/DecoratedUserContext.java
@@ -160,8 +160,8 @@ public class DecoratedUserContext extends DelegatingUserContext {
     }
 
     /**
-     * Creates a new DecoratedUserContext, invoking the the decorate() function
-     * of the given AuthenticationProvider to decorate the provided, undecorated
+     * Creates a new DecoratedUserContext, invoking the decorate() function of
+     * the given AuthenticationProvider to decorate the provided, undecorated
      * UserContext. If the AuthenticationProvider originated the given
      * UserContext, then the given UserContext is wrapped without any
      * decoration.
@@ -200,7 +200,7 @@ public class DecoratedUserContext extends DelegatingUserContext {
     }
 
     /**
-     * Creates a new DecoratedUserContext, invoking the the decorate() function
+     * Creates a new DecoratedUserContext, invoking the decorate() function
      * of the given AuthenticationProvider to apply an additional layer of
      * decoration to a DecoratedUserContext. If the AuthenticationProvider
      * originated the given UserContext, then the given UserContext is wrapped
@@ -240,12 +240,11 @@ public class DecoratedUserContext extends DelegatingUserContext {
     }
 
     /**
-     * Creates a new DecoratedUserContext, invoking the the redecorate()
-     * function of the given AuthenticationProvider to reapply decoration to the
-     * provided, undecorated UserContext, which has been updated relative to a
-     * past version which was decorated. If the AuthenticationProvider
-     * originated the given UserContext, then the given UserContext is wrapped
-     * without any decoration.
+     * Creates a new DecoratedUserContext, invoking the redecorate() function
+     * of the given AuthenticationProvider to reapply decoration to the provided,
+     * undecorated UserContext, which has been updated relative to a past version
+     * which was decorated. If the AuthenticationProvider originated the given
+     * UserContext, then the given UserContext is wrapped without any decoration.
      *
      * @param decorated
      *     The DecoratedUserContext associated with the older version of the
@@ -281,8 +280,8 @@ public class DecoratedUserContext extends DelegatingUserContext {
     }
 
     /**
-     * Creates a new DecoratedUserContext, invoking the the redecorate()
-     * function of the given AuthenticationProvider to reapply decoration to a
+     * Creates a new DecoratedUserContext, invoking the redecorate() function
+     * of the given AuthenticationProvider to reapply decoration to a
      * DecoratedUserContext which already has at least one layer of decoration
      * applied, and which is associated with a UserContext which was updated
      * relative to a past version which was decorated. If the
diff --git a/guacamole/src/main/java/org/apache/guacamole/rest/auth/DecorationService.java b/guacamole/src/main/java/org/apache/guacamole/rest/auth/DecorationService.java
index 7537e99ef..b28dc03af 100644
--- a/guacamole/src/main/java/org/apache/guacamole/rest/auth/DecorationService.java
+++ b/guacamole/src/main/java/org/apache/guacamole/rest/auth/DecorationService.java
@@ -44,7 +44,7 @@ public class DecorationService {
     private List<AuthenticationProvider> authProviders;
 
     /**
-     * Creates a new DecoratedUserContext, invoking the the decorate() function
+     * Creates a new DecoratedUserContext, invoking the decorate() function
      * of all AuthenticationProviders to decorate the provided UserContext.
      * Decoration by each AuthenticationProvider will occur in the order that
      * the AuthenticationProviders were loaded. Only AuthenticationProviders
@@ -94,11 +94,11 @@ public class DecorationService {
     }
 
     /**
-     * Creates a new DecoratedUserContext, invoking the the redecorate()
-     * function of all AuthenticationProviders to reapply decoration. Decoration
-     * by each AuthenticationProvider will occur in the order that the
-     * AuthenticationProviders were loaded. Only AuthenticationProviders which
-     * did not originate the given UserContext will be used.
+     * Creates a new DecoratedUserContext, invoking the redecorate() function
+     * of all AuthenticationProviders to reapply decoration. Decoration by each
+     * AuthenticationProvider will occur in the order that the AuthenticationProviders
+     * were loaded. Only AuthenticationProviders which did not originate the given
+     * UserContext will be used.
      *
      * @param decorated
      *     The DecoratedUserContext associated with an older version of the