diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 35a588e1c..ce19a2d14 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -74,17 +74,6 @@
         </option>
         <option name="useQualifiedModuleNames" value="true" />
       </GradleProjectSettings>
-      <GradleProjectSettings>
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$/code_samples/gradle_plugin_demo" />
-        <option name="gradleJvm" value="1.8" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$/code_samples/gradle_plugin_demo" />
-          </set>
-        </option>
-        <option name="useQualifiedModuleNames" value="true" />
-      </GradleProjectSettings>
       <GradleProjectSettings>
         <option name="delegatedBuild" value="true" />
         <option name="testRunner" value="GRADLE" />
diff --git a/code_samples/gradle_plugin_demo/.gitignore b/code_samples/gradle_plugin_demo/.gitignore
deleted file mode 100644
index 8388aebc6..000000000
--- a/code_samples/gradle_plugin_demo/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-# Created by .ignore support plugin (hsz.mobi)
-### Gradle template
-.gradle
-build/
-
-# Ignore Gradle GUI config
-gradle-app.setting
-
-# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
-!gradle-wrapper.jar
-
diff --git a/code_samples/gradle_plugin_demo/build.gradle b/code_samples/gradle_plugin_demo/build.gradle
deleted file mode 100644
index 6dd7a82ef..000000000
--- a/code_samples/gradle_plugin_demo/build.gradle
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
-
-plugins {
-  id 'java'
-  id "org.jetbrains.intellij" version "0.4.16"
-}
-
-group 'org.intellij.sdk'
-version '0.0.1'
-
-sourceCompatibility = 1.8
-
-repositories {
-  mavenCentral()
-}
-
-// See https://github.com/JetBrains/gradle-intellij-plugin/
-intellij {
-  // Define IntelliJ Platform API version to use for building this plugin
-  version '2019.3.3'
-}
-
-patchPluginXml {
-  version = project.version
-}
-
-
diff --git a/code_samples/gradle_plugin_demo/gradle/wrapper/gradle-wrapper.jar b/code_samples/gradle_plugin_demo/gradle/wrapper/gradle-wrapper.jar
deleted file mode 100644
index cc4fdc293..000000000
Binary files a/code_samples/gradle_plugin_demo/gradle/wrapper/gradle-wrapper.jar and /dev/null differ
diff --git a/code_samples/gradle_plugin_demo/gradle/wrapper/gradle-wrapper.properties b/code_samples/gradle_plugin_demo/gradle/wrapper/gradle-wrapper.properties
deleted file mode 100644
index d7caaeb7a..000000000
--- a/code_samples/gradle_plugin_demo/gradle/wrapper/gradle-wrapper.properties
+++ /dev/null
@@ -1,6 +0,0 @@
-# Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
diff --git a/code_samples/gradle_plugin_demo/gradlew b/code_samples/gradle_plugin_demo/gradlew
deleted file mode 100755
index 2fe81a7d9..000000000
--- a/code_samples/gradle_plugin_demo/gradlew
+++ /dev/null
@@ -1,183 +0,0 @@
-#!/usr/bin/env sh
-
-#
-# Copyright 2015 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      https://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-##############################################################################
-##
-##  Gradle start up script for UN*X
-##
-##############################################################################
-
-# Attempt to set APP_HOME
-# Resolve links: $0 may be a link
-PRG="$0"
-# Need this for relative symlinks.
-while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-    else
-        PRG=`dirname "$PRG"`"/$link"
-    fi
-done
-SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn () {
-    echo "$*"
-}
-
-die () {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-nonstop=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-  NONSTOP* )
-    nonstop=true
-    ;;
-esac
-
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
-
-# Determine the Java command to use to start the JVM.
-if [ -n "$JAVA_HOME" ] ; then
-    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
-        # IBM's JDK on AIX uses strange locations for the executables
-        JAVACMD="$JAVA_HOME/jre/sh/java"
-    else
-        JAVACMD="$JAVA_HOME/bin/java"
-    fi
-    if [ ! -x "$JAVACMD" ] ; then
-        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
-
-Please set the JAVA_HOME variable in your environment to match the
-location of your Java installation."
-    fi
-else
-    JAVACMD="java"
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-
-Please set the JAVA_HOME variable in your environment to match the
-location of your Java installation."
-fi
-
-# Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
-    MAX_FD_LIMIT=`ulimit -H -n`
-    if [ $? -eq 0 ] ; then
-        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
-            MAX_FD="$MAX_FD_LIMIT"
-        fi
-        ulimit -n $MAX_FD
-        if [ $? -ne 0 ] ; then
-            warn "Could not set maximum file descriptor limit: $MAX_FD"
-        fi
-    else
-        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
-    fi
-fi
-
-# For Darwin, add options to specify how the application appears in the dock
-if $darwin; then
-    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
-fi
-
-# For Cygwin or MSYS, switch paths to Windows format before running java
-if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
-    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
-    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
-    JAVACMD=`cygpath --unix "$JAVACMD"`
-
-    # We build the pattern for arguments to be converted via cygpath
-    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
-    SEP=""
-    for dir in $ROOTDIRSRAW ; do
-        ROOTDIRS="$ROOTDIRS$SEP$dir"
-        SEP="|"
-    done
-    OURCYGPATTERN="(^($ROOTDIRS))"
-    # Add a user-defined pattern to the cygpath arguments
-    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
-        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
-    fi
-    # Now convert the arguments - kludge to limit ourselves to /bin/sh
-    i=0
-    for arg in "$@" ; do
-        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
-        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
-
-        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
-            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
-        else
-            eval `echo args$i`="\"$arg\""
-        fi
-        i=`expr $i + 1`
-    done
-    case $i in
-        0) set -- ;;
-        1) set -- "$args0" ;;
-        2) set -- "$args0" "$args1" ;;
-        3) set -- "$args0" "$args1" "$args2" ;;
-        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
-    esac
-fi
-
-# Escape application args
-save () {
-    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
-    echo " "
-}
-APP_ARGS=`save "$@"`
-
-# Collect all arguments for the java command, following the shell quoting and substitution rules
-eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
-
-exec "$JAVACMD" "$@"
diff --git a/code_samples/gradle_plugin_demo/gradlew.bat b/code_samples/gradle_plugin_demo/gradlew.bat
deleted file mode 100644
index 9618d8d96..000000000
--- a/code_samples/gradle_plugin_demo/gradlew.bat
+++ /dev/null
@@ -1,100 +0,0 @@
-@rem
-@rem Copyright 2015 the original author or authors.
-@rem
-@rem Licensed under the Apache License, Version 2.0 (the "License");
-@rem you may not use this file except in compliance with the License.
-@rem You may obtain a copy of the License at
-@rem
-@rem      https://www.apache.org/licenses/LICENSE-2.0
-@rem
-@rem Unless required by applicable law or agreed to in writing, software
-@rem distributed under the License is distributed on an "AS IS" BASIS,
-@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@rem See the License for the specific language governing permissions and
-@rem limitations under the License.
-@rem
-
-@if "%DEBUG%" == "" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
-
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto init
-
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
-
-goto fail
-
-:init
-@rem Get command-line arguments, handling Windows variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-
-:execute
-@rem Setup the command line
-
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
-
-:end
-@rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
diff --git a/code_samples/gradle_plugin_demo/settings.gradle b/code_samples/gradle_plugin_demo/settings.gradle
deleted file mode 100644
index 321ac9155..000000000
--- a/code_samples/gradle_plugin_demo/settings.gradle
+++ /dev/null
@@ -1,3 +0,0 @@
-// Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
-
-rootProject.name = 'gradle_demo'
diff --git a/code_samples/gradle_plugin_demo/src/main/java/HelloAction.java b/code_samples/gradle_plugin_demo/src/main/java/HelloAction.java
deleted file mode 100644
index 5fba553e3..000000000
--- a/code_samples/gradle_plugin_demo/src/main/java/HelloAction.java
+++ /dev/null
@@ -1,16 +0,0 @@
-// Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
-
-import com.intellij.openapi.actionSystem.*;
-import com.intellij.openapi.project.Project;
-import com.intellij.openapi.ui.Messages;
-
-public class HelloAction extends AnAction {
-  public HelloAction() {
-    super("Hello");
-  }
-
-  public void actionPerformed(AnActionEvent event) {
-    Project project = event.getProject();
-    Messages.showMessageDialog(project, "Hello world!", "Greeting", Messages.getInformationIcon());
-  }
-}
\ No newline at end of file
diff --git a/code_samples/gradle_plugin_demo/src/main/resources/META-INF/plugin.xml b/code_samples/gradle_plugin_demo/src/main/resources/META-INF/plugin.xml
deleted file mode 100644
index 5dbfa1945..000000000
--- a/code_samples/gradle_plugin_demo/src/main/resources/META-INF/plugin.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
-
-<idea-plugin>
-  <id>org.jetbrains</id>
-  <name>Hello Action Project</name>
-  <version>0.0.1</version>
-  <vendor email="dummy" url="dummy">dummy</vendor>
-
-  <depends>com.intellij.modules.platform</depends>
-
-  <idea-version since-build="191"/>
-  <extensions defaultExtensionNs="com.intellij">
-  </extensions>
-
-  <actions>
-    <group id="MyPlugin.SampleMenu" text="Greeting" description="Greeting menu">
-      <add-to-group group-id="MainMenu" anchor="last"/>
-      <action id="Myplugin.Textboxes" class="HelloAction" text="Hello" description="Says hello"/>
-    </group>
-  </actions>
-
-</idea-plugin>
\ No newline at end of file
diff --git a/tutorials/build_system.md b/tutorials/build_system.md
index 40b5dc510..910491be1 100644
--- a/tutorials/build_system.md
+++ b/tutorials/build_system.md
@@ -18,7 +18,6 @@ To make sure that your plugin is not affected by [API changes](/reference_guide/
 > **Note** Please make sure to always upgrade to the latest version of `gradle-intellij-plugin`.
 Follow releases on [GitHub](https://github.com/JetBrains/gradle-intellij-plugin/releases). 
  
-The following tutorial refers to materials that can be found in the included [gradle_plugin_demo](https://github.com/JetBrains/intellij-sdk-docs/tree/master/code_samples/gradle_plugin_demo) project. 
 Below are a series of guides to developing and deploying Gradle-based IntelliJ Platform Plugins:  
 *  [1. Getting Started with Gradle-Based Plugins](build_system/prerequisites.md)
 *  [2. Configuring Gradle-Based Plugins](build_system/gradle_guide.md)