Mini Profiler not working well, remove it

Gemfile.lock

@@ -136,7 +136,6 @@ GEM
     execjs (2.7.0)
     fabrication (2.15.2)
     fast_blank (1.0.0)
-    flamegraph (0.9.5)
     font-awesome-rails (4.6.3.1)
       railties (>= 3.2, < 5.1)
     fuubar (2.1.1)
@@ -206,7 +205,6 @@ GEM
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
-    memory_profiler (0.9.7)
     method_source (0.8.2)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
@@ -264,8 +262,6 @@ GEM
     rack-attack (5.0.1)
       rack
     rack-cors (0.4.0)
-    rack-mini-profiler (0.10.1)
-      rack (>= 1.2.0)
     rack-protection (1.5.3)
       rack
     rack-test (0.6.3)
@@ -376,7 +372,6 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    stackprof (0.2.10)
     temple (0.7.7)
     term-ansicolor (1.4.0)
       tins (~> 1.0)
@@ -425,7 +420,6 @@ DEPENDENCIES
   dotenv-rails
   fabrication
   fast_blank
-  flamegraph
   font-awesome-rails
   fuubar
   goldfinger
@@ -441,7 +435,6 @@ DEPENDENCIES
   letter_opener
   link_header
   lograge
-  memory_profiler
   neography
   nokogiri
   oj
@@ -456,7 +449,6 @@ DEPENDENCIES
   rabl
   rack-attack
   rack-cors
-  rack-mini-profiler
   rails!
   rails_12factor
   rails_autolink
@@ -471,7 +463,6 @@ DEPENDENCIES
   sidekiq
   simple_form
   simplecov
-  stackprof
   uglifier (>= 1.3.0)
   webmock
   will_paginate