diff --git a/mod/assignment/lib.php b/mod/assignment/lib.php
index b5e68c8673672..3f3031d7e65dc 100644
--- a/mod/assignment/lib.php
+++ b/mod/assignment/lib.php
@@ -189,20 +189,23 @@ function assignment_print_recent_activity(&$logs, $isteacher=false) {
     $content = false;
     $assignments = NULL;
 
-    foreach ($logs as $log) {
-        if ($log->module == "assignment" and $log->action == "upload") {
-            //Create a temp valid module structure (course,id)
-            $tempmod->course = $log->course;
-            $tempmod->id = $log->info;
-            //Obtain the visible property from the instance
-            $modvisible = instance_is_visible($log->module,$tempmod);
-
-            //Only if the mod is visible
-            if ($modvisible) {
-                $assignments[$log->info] = assignment_log_info($log);
-                $assignments[$log->info]->time = $log->time;
-                $assignments[$log->info]->url  = $log->url;
+    foreach ($logs as $key => $log) {
+        if ($log->module == "assignment") {
+            if ($log->action == "upload") {
+                //Create a temp valid module structure (course,id)
+                $tempmod->course = $log->course;
+                $tempmod->id = $log->info;
+                //Obtain the visible property from the instance
+                $modvisible = instance_is_visible($log->module,$tempmod);
+    
+                //Only if the mod is visible
+                if ($modvisible) {
+                    $assignments[$log->info] = assignment_log_info($log);
+                    $assignments[$log->info]->time = $log->time;
+                    $assignments[$log->info]->url  = $log->url;
+                }
             }
+            unset($logs[$key]);  // No longer need this record
         }
     }
 
diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index f04de9bd03b81..72ada4c436105 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -304,46 +304,49 @@ function forum_print_recent_activity(&$logs, $isteacher=false) {
 
     $strftimerecent = get_string("strftimerecent");
 
-    foreach ($logs as $log) {
+    foreach ($logs as $key => $log) {
         if ($log->module == "forum") {
-            //Get post info, I'll need it later
-            $post = forum_get_post_from_log($log);
-
-            //Create a temp valid module structure (course,id)
-            $tempmod->course = $log->course;
-            $tempmod->id = $post->forum;
-            //Obtain the visible property from the instance
-            $modvisible = instance_is_visible($log->module,$tempmod);
-
-            //Only if the mod is visible
-            if ($modvisible) {
-                if ($post) {
-                    $teacheronly = "";
-                    if ($forum = get_record("forum", "id", $post->forum) ) {
-                        if ($forum->type == "teacher") {
-                            if ($isteacher) {
-                                $teacheronly = "class=\"teacheronly\"";
-                            } else {
-                                continue;
+            if ($log->action == "add post" or $log->action == "add discussion") {
+                //Get post info, I'll need it later
+                $post = forum_get_post_from_log($log);
+    
+                //Create a temp valid module structure (course,id)
+                $tempmod->course = $log->course;
+                $tempmod->id = $post->forum;
+                //Obtain the visible property from the instance
+                $modvisible = instance_is_visible($log->module,$tempmod);
+    
+                //Only if the mod is visible
+                if ($modvisible) {
+                    if ($post) {
+                        $teacheronly = "";
+                        if ($forum = get_record("forum", "id", $post->forum) ) {
+                            if ($forum->type == "teacher") {
+                                if ($isteacher) {
+                                    $teacheronly = "class=\"teacheronly\"";
+                                } else {
+                                    continue;
+                                }
                             }
                         }
+                        if (! $heading) {
+                            print_headline(get_string("newforumposts", "forum").":");
+                            $heading = true;
+                            $content = true;
+                        }
+                        $date = userdate($post->modified, $strftimerecent);
+                        echo "<p $teacheronly><font size=1>$date - $post->firstname $post->lastname<br>";
+                        echo "\"<a href=\"$CFG->wwwroot/mod/forum/$log->url\">";
+                        if ($log->action == "add discussion") {
+                            echo "<b>$post->subject</b>";
+                        } else {
+                            echo "$post->subject";
+                        }
+                        echo "</a>\"</font></p>";
                     }
-                    if (! $heading) {
-                        print_headline(get_string("newforumposts", "forum").":");
-                        $heading = true;
-                        $content = true;
-                    }
-                    $date = userdate($post->modified, $strftimerecent);
-                    echo "<p $teacheronly><font size=1>$date - $post->firstname $post->lastname<br>";
-                    echo "\"<a href=\"$CFG->wwwroot/mod/forum/$log->url\">";
-                    if ($log->action == "add") {
-                        echo "<b>$post->subject</b>";
-                    } else {
-                        echo "$post->subject";
-                    }
-                    echo "</a>\"</font></p>";
                 }
             }
+            unset($logs[$key]);  // No longer need this record
         }
     }
     return $content;
diff --git a/mod/journal/lib.php b/mod/journal/lib.php
index 0be5d42d71076..f932e27a682b8 100644
--- a/mod/journal/lib.php
+++ b/mod/journal/lib.php
@@ -125,7 +125,7 @@ function journal_print_recent_activity(&$logs, $isteacher=false) {
     $content = false;
     $journals = NULL;
 
-    foreach ($logs as $log) {
+    foreach ($logs as $key => $log) {
         if ($log->module == "journal") {
             if ($log->action == "add entry" or $log->action == "update entry") {
                 ///Get journal info.  I'll need it later
@@ -146,6 +146,7 @@ function journal_print_recent_activity(&$logs, $isteacher=false) {
                     }
                 }
             }
+            unset($logs[$key]);  // No longer need this record
         }
     }
 
diff --git a/mod/survey/lib.php b/mod/survey/lib.php
index 83b865288cd67..406d51d2e284f 100644
--- a/mod/survey/lib.php
+++ b/mod/survey/lib.php
@@ -106,20 +106,23 @@ function survey_print_recent_activity(&$logs, $isteacher=false) {
     $content = false;
     $surveys = NULL;
 
-    foreach ($logs as $log) {
-        if ($log->module == "survey" and $log->action == "submit") {
-            //Create a temp valid module structure (course,id)
-            $tempmod->course = $log->course;
-            $tempmod->id = $log->info;
-            //Obtain the visible property from the instance
-            $modvisible = instance_is_visible($log->module,$tempmod);
-
-            //Only if the mod is visible
-            if ($modvisible) {
-                $surveys[$log->id] = survey_log_info($log);
-                $surveys[$log->id]->time = $log->time;
-                $surveys[$log->id]->url = $log->url;
+    foreach ($logs as $key => $log) {
+        if ($log->module == "survey") {
+            if ($log->action == "submit") {
+                //Create a temp valid module structure (course,id)
+                $tempmod->course = $log->course;
+                $tempmod->id = $log->info;
+                //Obtain the visible property from the instance
+                $modvisible = instance_is_visible($log->module,$tempmod);
+    
+                //Only if the mod is visible
+                if ($modvisible) {
+                    $surveys[$log->id] = survey_log_info($log);
+                    $surveys[$log->id]->time = $log->time;
+                    $surveys[$log->id]->url = $log->url;
+                }
             }
+            unset($logs[$key]);  // No longer need this record
         }
     }