diff --git a/app/src/main/assets/logback.xml b/app/src/main/assets/logback.xml
index 1fca7b46..f08c0b4c 100644
--- a/app/src/main/assets/logback.xml
+++ b/app/src/main/assets/logback.xml
@@ -28,32 +28,8 @@
         </encoder>
     </appender>
 
-    <appender name="ACTIVITY-FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
-        <file>${GB_LOGFILES_DIR}/activity.log</file>
-
-        <lazy>true</lazy>
-        <!-- encoders are  by default assigned the type
-             ch.qos.logback.classic.encoder.PatternLayoutEncoder -->
-        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
-            <fileNamePattern>${GB_LOGFILES_DIR}/gadgetbridge-%d{yyyy-MM-dd}.log.zip</fileNamePattern>
-            <maxHistory>10</maxHistory>
-        </rollingPolicy>
-        <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
-            <maxFileSize>5MB</maxFileSize>
-        </triggeringPolicy>
-        <encoder>
-            <!--<pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n</pattern>-->
-            <pattern>%d{HH:mm:ss.SSS} %msg%n</pattern>
-            <!--<pattern>%date [%thread] %-5level %logger{25} - %msg%n</pattern>-->
-        </encoder>
-    </appender>
-
-    <logger name="activity" level="DEBUG" additivity="false">
-        <appender-ref ref="ACTIVITY-FILE" />
-    </logger>
-
     <root level="DEBUG">
         <appender-ref ref="STDOUT" />
         <appender-ref ref="FILE" />
     </root>
-</configuration>
+</configuration>
\ No newline at end of file
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/GBApplication.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/GBApplication.java
index 123fbe0a..e4b1594b 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/GBApplication.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/GBApplication.java
@@ -45,13 +45,15 @@ public class GBApplication extends Application {
     }
 
     private void setupLogging() {
-        File dir = getExternalFilesDir(null);
-        if (dir != null && !dir.exists()) {
-            dir.mkdirs();
-        }
-        // used by assets/logback.xml since the location cannot be statically determined
-        System.setProperty("GB_LOGFILES_DIR", dir.getAbsolutePath());
-        if (!isFileLoggingEnabled()) {
+        if (isFileLoggingEnabled()) {
+            File dir = getExternalFilesDir(null);
+            if (dir != null && !dir.exists()) {
+                dir.mkdirs();
+            }
+            // used by assets/logback.xml since the location cannot be statically determined
+            System.setProperty("GB_LOGFILES_DIR", dir.getAbsolutePath());
+        } else {
+            System.setProperty("GB_LOGFILES_DIR", "/dev/null"); // just to please logback configuration, not used at all
             try {
                 ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
                 root.detachAppender("FILE");
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java
index 33bcf6e0..498a3a62 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/miband/MiBandSupport.java
@@ -49,7 +49,6 @@ import static nodomain.freeyourgadget.gadgetbridge.miband.MiBandConst.getNotific
 public class MiBandSupport extends AbstractBTLEDeviceSupport {
 
     private static final Logger LOG = LoggerFactory.getLogger(MiBandSupport.class);
-    private static final Logger ACTIVITYLOG = LoggerFactory.getLogger("activity");
 
     //temporary buffer, size is a multiple of 60 because we want to store complete minutes (1 minute = 3 bytes)
     private static final int activityDataHolderSize = 60 * 24; // 8h
@@ -453,7 +452,6 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
     }
 
     private void handleActivityNotif(byte[] value) {
-        LOG.info("handleActivityNotif GOT " + value.length + " BYTES.");
         if (value.length == 11 ) {
             // byte 0 is the data type: 1 means that each minute is represented by a triplet of bytes
             int dataType = value[0];
@@ -534,13 +532,6 @@ public class MiBandSupport extends AbstractBTLEDeviceSupport {
                         intensity,
                         steps,
                         category);
-
-                ACTIVITYLOG.info(
-                        " timestamp:"+DateFormat.getDateTimeInstance().format(timestamp.getTime()).toString() +
-                                " category:"+ category+
-                                " intensity:"+intensity+
-                                " steps:"+steps
-                );
                 timestamp.add(Calendar.MINUTE, 1);
             }
         }