diff --git a/Gemfile b/Gemfile
index befe82d7750..05d0d66b4df 100644
--- a/Gemfile
+++ b/Gemfile
@@ -173,7 +173,6 @@ gem 'memory_profiler', require: false, platform: :mri
 gem 'cppjieba_rb', require: false
 
 gem 'lograge', require: false
-gem 'logstash-logger', require: false
 gem 'logster'
 
 gem 'sassc', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 506f502ea2f..59bc9e2574c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -155,9 +155,6 @@ GEM
       activesupport (>= 4, < 5.2)
       railties (>= 4, < 5.2)
       request_store (~> 1.0)
-    logstash-event (1.2.02)
-    logstash-logger (0.25.1)
-      logstash-event (~> 1.2)
     logster (1.2.8)
     loofah (2.1.1)
       crass (~> 1.0.2)
@@ -441,7 +438,6 @@ DEPENDENCIES
   http_accept_language (~> 2.0.5)
   listen
   lograge
-  logstash-logger
   logster
   lru_redux
   mail