diff --git a/Dockerfile b/Dockerfile
index a4fa1142fec4c0bdcf6db4e9ff8a475784daa6be..458fbc8a353233f0bda3dbff9be8b421d7fbaf5b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,8 +14,7 @@ RUN cp /usr/share/maven/ref/settings-docker.xml /root/.m2/settings.xml \
 
 FROM hbpmip/java-base:11.0.1-1
 
-RUN apt-get update && apt-get install -y --no-install-recommends curl \
-    && rm -rf /var/lib/apt/lists/* /tmp/*
+RUN rm -rf /var/lib/apt/lists/* /tmp/*
 
 COPY docker/config/application.tmpl /opt/portal/config/application.tmpl
 COPY docker/README.md docker/run.sh /opt/portal/
diff --git a/docker/README.md b/docker/README.md
index faedc351ea8e722aa98e0693f7d7fad119c84325..3f3437aec65ab4cc28b6236bf31a305b79572ea5 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -46,8 +46,8 @@ To use this image, you need a running instance of PostgreSQL and to configure th
 
 ### LOGGING
 
-* LOGGING_LEVEL_WEB: log level for the web layer of the application. Default to "WARN".
-* LOGGING_LEVEL_HIBERNATE: log level for the Hibernate layer of the application. Default to "WARN".
+* LOG_LEVEL: log level for the developer added logs. Default is "ERROR".
+* LOG_LEVEL_FRAMEWORK: log level for all the framework logs. Default is "ERROR".
 
 
 ### ENDPOINTS
diff --git a/docker/config/application.tmpl b/docker/config/application.tmpl
index 6174fb409d967a2c67b5013ecc435a72fd763929..13fc6577970ede925089895265e8a3f6b0a409ae 100644
--- a/docker/config/application.tmpl
+++ b/docker/config/application.tmpl
@@ -50,15 +50,9 @@ frontend:
   
 logging:
   level:
-    root: {{ default .Env.LOG_LEVEL "INFO" }}
-    org:
-      springframework:
-        security: DEBUG
-        web: {{ default .Env.LOGGING_LEVEL_WEB "WARN" }}
-        web.servlet.handler.BeanNameUrlHandlerMapping: WARN
-      hibernate: {{ default .Env.LOGGING_LEVEL_HIBERNATE "WARN" }}
+    root: {{ default .Env.LOG_LEVEL_FRAMEWORK "ERROR" }}
     eu:
-      hbp: {{ default .Env.LOGGING_LEVEL_MIP "INFO" }}
+      hbp: {{ default .Env.LOG_LEVEL "INFO" }}
 
 # EMBEDDED SERVER CONFIGURATION
 server:
diff --git a/src/main/java/eu/hbp/mip/configuration/SecurityConfiguration.java b/src/main/java/eu/hbp/mip/configuration/SecurityConfiguration.java
index 7836edf941914247a7a86d41d63108bfb33d3316..4ea52570fd3bde8c8b21253fe202aa3fc61363d4 100644
--- a/src/main/java/eu/hbp/mip/configuration/SecurityConfiguration.java
+++ b/src/main/java/eu/hbp/mip/configuration/SecurityConfiguration.java
@@ -274,7 +274,6 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
 
     public void logout() {
         // POSTするリクエストパラメーターを作成
-        Logging.LogAction("refresh token ", this.oauth2ClientContext.getAccessToken().getRefreshToken().getValue());
         RestTemplate restTemplate = new RestTemplate();
         MultiValueMap<String, String> formParams = new LinkedMultiValueMap<>();
         formParams.add("client_id", hbp().getClientId());
@@ -284,7 +283,6 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
         HttpHeaders httpHeaders = new HttpHeaders();
         httpHeaders.add(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_FORM_URLENCODED_VALUE);
         // リクエストを作成
-        Logging.LogAction("logoutUri is ", logoutUri);
         RequestEntity<MultiValueMap<String, String>> requestEntity =
                 new RequestEntity<>(formParams, httpHeaders, HttpMethod.POST,
                         URI.create(logoutUri));
diff --git a/src/main/java/eu/hbp/mip/utils/Logging.java b/src/main/java/eu/hbp/mip/utils/Logging.java
index f3ed45e83315c66b6a1714b0096dd183af13ab5e..9b75de636fc7c1721fca6dba59e2ce38cced1a7d 100644
--- a/src/main/java/eu/hbp/mip/utils/Logging.java
+++ b/src/main/java/eu/hbp/mip/utils/Logging.java
@@ -11,9 +11,7 @@ public class Logging {
 
     public static void LogUserAction(String userName, String endpoint, String actionInfo) {
         LOGGER.info(" User -> " + userName + " ,"
-                + calculateAdditionalSpacing(userName.length(), 8)
                 + "Endpoint -> " + endpoint + " ,"
-                + calculateAdditionalSpacing(endpoint.length(), 32)
                 + "Info ->  " + actionInfo);
     }
 
@@ -21,20 +19,6 @@ public class Logging {
     public static void LogExperimentAction(String experimentName, UUID experimentId, String actionInfo) {
         LOGGER.info(" Experiment -> " + experimentName
                 + "(" + experimentId + ") ,"
-                + calculateAdditionalSpacing(experimentName.length() + experimentId.toString().length() + 2, 20)
                 + "Info -> " + actionInfo);
     }
-
-    // Used when a user is not authorised yet
-    public static void LogAction(String actionName, String actionIdInfo) {
-        LOGGER.info(" Action -> " + actionName + " ,"
-                + calculateAdditionalSpacing(actionName.length() + 2, 20)
-                + "Info -> " + actionIdInfo);
-    }
-
-    // Calculates the spacing that is needed to create consistent logs.
-    private static String calculateAdditionalSpacing(Integer currentLen, Integer maxLen) {
-        int additionalSpacing = (maxLen > currentLen ? maxLen - currentLen + 2 : 2);
-        return String.format("%" + additionalSpacing + "s", "");
-    }
 }
diff --git a/src/main/resources/logback.xml b/src/main/resources/logback.xml
deleted file mode 100644
index 0726d82f41564d850f92eaa301010d39ea89b068..0000000000000000000000000000000000000000
--- a/src/main/resources/logback.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<configuration>
-    <appender name="FILE1" class="ch.qos.logback.core.FileAppender">
-        <file>logs/portal-backend.txt</file>
-        <append>true</append>
-        <encoder>
-            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %msg%n</pattern>
-        </encoder>
-    </appender>
-
-	<logger name="eu.hbp.mip">
-		<appender-ref ref="FILE1" />
-	</logger>
-    <include resource="org/springframework/boot/logging/logback/base.xml"/>
-    <logger name="org.springframework.web" level="ERROR">
-		<appender-ref ref="FILE1" />
-	</logger>
-    <logger name="eu.hbp.mip.utils" level="INFO" additivity="false">
-        <appender-ref ref="FILE1" />
-    </logger>
-</configuration>
\ No newline at end of file