diff --git a/.gitignore b/.gitignore
index bc4fe0a..950e56e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,7 +20,7 @@
 # ----------------------------------------------------------------------------------------------------------------------
 ### Phing
 # ----------------------------------------------------------------------------------------------------------------------
-/.phing/properties
+/phing/properties
 
 
 # ----------------------------------------------------------------------------------------------------------------------
@@ -32,7 +32,7 @@
 # ----------------------------------------------------------------------------------------------------------------------
 ### Generated databases
 # ----------------------------------------------------------------------------------------------------------------------
-/.data/tmp
+/data/tmp
 *.sql
 *.sqlite
 
diff --git a/build.xml b/build.xml
index fccc179..d23552d 100644
--- a/build.xml
+++ b/build.xml
@@ -2,12 +2,12 @@
 <project name="Meritoo Package" basedir="." default="build:main" phingVersion="2.14.0">
     <!-- Properties -->
     <if>
-        <available file=".phing/properties" property="custom.properties.available"/>
+        <available file="phing/properties" property="custom.properties.available"/>
         <then>
-            <property file=".phing/properties" />
+            <property file="phing/properties"/>
         </then>
         <else>
-            <property file=".phing/properties.dist" />
+            <property file="phing/properties.dist"/>
         </else>
     </if>
 
@@ -18,12 +18,12 @@
 
     <!-- Build app -->
     <target name="build:app" description="Prepares app to build and tests">
-        <phing phingfile=".phing/app.xml" haltonfailure="true" />
+        <phing phingfile="phing/app.xml" haltonfailure="true"/>
     </target>
 
     <!-- Build tests -->
     <target name="build:tests" description="Runs all tests, checks and creates docs">
-        <phing phingfile=".phing/tests.xml" haltonfailure="true" />
+        <phing phingfile="phing/tests.xml" haltonfailure="true"/>
 
         <!--
         Conditional running of tests.
@@ -35,7 +35,7 @@
         <if>
             <equals arg1="${env}" arg2="test" />
             <then>
-                <phing phingfile=".phing/tests.xml" haltonfailure="true" />
+                <phing phingfile="phing/tests.xml" haltonfailure="true" />
             </then>
             <else>
                 <echo message="[Skipped] Running tests, checks and creating docs, because it's a not 'test' environment..." />
diff --git a/codeception.yml b/codeception.yml
index 1883ff0..e783baf 100644
--- a/codeception.yml
+++ b/codeception.yml
@@ -15,8 +15,8 @@ coverage:
     include:
         - src/*
     exclude:
-        - .data/*
-        - .docker/*
-        - .phing/*
+        - data/*
+        - docker/*
+        - phing/*
         - tests/*
         - vendor/*
diff --git a/.data/tests/composer.json b/data/tests/composer.json
similarity index 100%
rename from .data/tests/composer.json
rename to data/tests/composer.json
diff --git a/.data/tests/lorem-ipsum.txt b/data/tests/lorem-ipsum.txt
similarity index 100%
rename from .data/tests/lorem-ipsum.txt
rename to data/tests/lorem-ipsum.txt
diff --git a/.data/tests/minion.jpg b/data/tests/minion.jpg
similarity index 100%
rename from .data/tests/minion.jpg
rename to data/tests/minion.jpg
diff --git a/docker-compose.yml b/docker-compose.yml
index 4dca04f..e9a45d8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,7 +8,7 @@ services:
         entrypoint: php
         command: -S 0.0.0.0:9999
         build:
-            context: ./.docker/config
+            context: ./docker/config
             args:
                 - TIMEZONE=$TIMEZONE
         volumes:
diff --git a/.docker/config/Dockerfile b/docker/config/Dockerfile
similarity index 100%
rename from .docker/config/Dockerfile
rename to docker/config/Dockerfile
diff --git a/.docker/config/php.ini b/docker/config/php.ini
similarity index 100%
rename from .docker/config/php.ini
rename to docker/config/php.ini
diff --git a/.docker/config/xdebug.ini b/docker/config/xdebug.ini
similarity index 100%
rename from .docker/config/xdebug.ini
rename to docker/config/xdebug.ini
diff --git a/.phing/app.xml b/phing/app.xml
similarity index 94%
rename from .phing/app.xml
rename to phing/app.xml
index 89848ec..23852ba 100644
--- a/.phing/app.xml
+++ b/phing/app.xml
@@ -2,12 +2,12 @@
 <project name="Meritoo Package" basedir="." default="build:main" phingVersion="2.14.0">
     <!-- Properties -->
     <if>
-        <available file=".phing/properties" property="custom.properties.available"/>
+        <available file="phing/properties" property="custom.properties.available"/>
         <then>
-            <property file=".phing/properties" />
+            <property file="phing/properties"/>
         </then>
         <else>
-            <property file=".phing/properties.dist" />
+            <property file="phing/properties.dist"/>
         </else>
     </if>
 
diff --git a/.phing/properties.dist b/phing/properties.dist
similarity index 97%
rename from .phing/properties.dist
rename to phing/properties.dist
index e939825..d823a6e 100644
--- a/.phing/properties.dist
+++ b/phing/properties.dist
@@ -65,7 +65,7 @@ composer.validate = false
 
 # System directories
 #
-dir.data = ${project.basedir}/.data
+dir.data = ${project.basedir}/data
 dir.src = ${project.basedir}/src
 dir.tests = ${project.basedir}/tests
 
@@ -73,7 +73,7 @@ dir.tests = ${project.basedir}/tests
 # Build directories
 # --------------------------------------------------------------------------------
 
-dir.build = ${project.basedir}/.build
+dir.build = ${project.basedir}/build
 dir.reports = ${dir.build}/logs
 dir.reports.pdepend = ${dir.reports}/pdepend
 #
diff --git a/.phing/tests.xml b/phing/tests.xml
similarity index 97%
rename from .phing/tests.xml
rename to phing/tests.xml
index 243cb2e..d705e43 100644
--- a/.phing/tests.xml
+++ b/phing/tests.xml
@@ -11,12 +11,12 @@
 
     <!-- Properties -->
     <if>
-        <available file=".phing/properties" property="custom.properties.available"/>
+        <available file="phing/properties" property="custom.properties.available"/>
         <then>
-            <property file=".phing/properties" />
+            <property file="phing/properties"/>
         </then>
         <else>
-            <property file=".phing/properties.dist" />
+            <property file="phing/properties.dist"/>
         </else>
     </if>
 
diff --git a/src/Traits/Test/Base/BaseTestCaseTrait.php b/src/Traits/Test/Base/BaseTestCaseTrait.php
index a175bbe..330fcd1 100644
--- a/src/Traits/Test/Base/BaseTestCaseTrait.php
+++ b/src/Traits/Test/Base/BaseTestCaseTrait.php
@@ -32,7 +32,7 @@ trait BaseTestCaseTrait
      *
      * @var string
      */
-    private static $testsDataDirPath = '.data/tests';
+    private static $testsDataDirPath = 'data/tests';
 
     /**
      * Provides an empty value
@@ -127,7 +127,7 @@ trait BaseTestCaseTrait
 
     /**
      * Returns path of file used by tests.
-     * It should be placed in /.data/tests directory of this project.
+     * It should be placed in /data/tests directory of this project.
      *
      * @param string $fileName      Name of file
      * @param string $directoryPath (optional) Path of directory containing the file
diff --git a/tests/Test/Base/BaseTestCaseTest.php b/tests/Test/Base/BaseTestCaseTest.php
index 0a72083..5e54f9a 100644
--- a/tests/Test/Base/BaseTestCaseTest.php
+++ b/tests/Test/Base/BaseTestCaseTest.php
@@ -132,7 +132,7 @@ class BaseTestCaseTest extends BaseTestCase
             $directoryPath .= '/';
         }
 
-        $expectedContains = sprintf('/.data/tests/%s%s', $directoryPath, $fileName);
+        $expectedContains = sprintf('/data/tests/%s%s', $directoryPath, $fileName);
         static::assertContains($expectedContains, $path);
     }