diff --git a/slpkg/binary/install.py b/slpkg/binary/install.py
index aad5cf1d..6d4d8303 100644
--- a/slpkg/binary/install.py
+++ b/slpkg/binary/install.py
@@ -47,11 +47,12 @@ from slpkg.binary.repo_init import RepoInit
 from slpkg.binary.dependency import Dependencies
 
 
-class BinaryInstall:
+class BinaryInstall(BlackList):
     """Install binaries packages with all dependencies from
     repository
     """
     def __init__(self, packages, repo, flag):
+        super().__init__()
         self.packages = packages
         pkg_security(packages)
         self.repo = repo
@@ -80,7 +81,7 @@ class BinaryInstall:
         self.repo_pkg_names = []
         for name in self.data[0]:
             self.repo_pkg_names.append(split_package(name)[0])
-        self.blacklist = BlackList().get_black()
+        self.blacklist = list(self.get_black())
         self.matching = False
 
     def init_flags(self):
diff --git a/slpkg/binary/search.py b/slpkg/binary/search.py
index 4aa548d5..8fb3ef09 100644
--- a/slpkg/binary/search.py
+++ b/slpkg/binary/search.py
@@ -33,6 +33,6 @@ def search_pkg(name, repo):
     """
     PACKAGES_TXT = Utils().read_file(_meta_.lib_path + f"{repo}_repo/PACKAGES.TXT")
     names = list(Utils().package_name(PACKAGES_TXT))
-    blacklist = BlackList().get_black()
+    blacklist = list(BlackList().get_black())
     if name in names and name not in blacklist:
         return name
\ No newline at end of file
diff --git a/slpkg/blacklist.py b/slpkg/blacklist.py
index f097f4e6..685b59a6 100644
--- a/slpkg/blacklist.py
+++ b/slpkg/blacklist.py
@@ -45,20 +45,15 @@ class BlackList:
         """Return blacklist packages from /etc/slpkg/blacklist
         configuration file."""
         blacklist = list(self.black_filter())
-        lenght = len(blacklist)
         installed = os.listdir("/var/log/packages/")
 
-        for b in blacklist:
-            if b.endswith("*"):
-                for i in installed:
-                    if i.startswith(b[:-1]):
-                        blacklist.append(split_package(i)[0])
-
-        # Cleaning the first packages that contain * in the end
-        # of the package name
-        blacklist = blacklist[lenght:]
-
-        return blacklist
+        for black in blacklist:
+            if black.endswith("*"):
+                for inst in installed:
+                    if inst.startswith(black[:-1]):
+                        yield split_package(inst)[0]
+            else:
+                yield black
 
     def black_filter(self):
         """Return all the installed files that start
@@ -69,7 +64,7 @@ class BlackList:
             if not read.startswith("#"):
                 yield read.replace("\n", "")
 
-    def listed(self):
+    def black_listed(self):
         """Print blacklist packages
         """
         print("Packages in the blacklist:\n")
@@ -77,7 +72,7 @@ class BlackList:
             if black:
                 print(f"{self.green}{black}{self.endc}")
 
-    def add(self, pkgs):
+    def black_add(self, pkgs):
         """Add blacklist packages if not exist
         """
         blacklist = list(self.black_filter())
@@ -89,7 +84,7 @@ class BlackList:
                     print(f"{self.green}{pkg}{self.endc}")
                     black_conf.write(pkg + "\n")
 
-    def remove(self, pkgs):
+    def black_remove(self, pkgs):
         """Remove packages from blacklist
         """
         print("Remove packages from the blacklist:\n")
diff --git a/slpkg/main.py b/slpkg/main.py
index d5b206e5..5adab7c7 100644
--- a/slpkg/main.py
+++ b/slpkg/main.py
@@ -49,7 +49,6 @@ from slpkg.status_deps import DependenciesStatus
 from slpkg.init import (
     Update,
     Upgrade,
-    Initialization,
     check_exists_repositories
 )
 from slpkg.__metadata__ import MetaData as _meta_
@@ -67,9 +66,10 @@ from slpkg.binary.check import pkg_upgrade
 from slpkg.binary.install import BinaryInstall
 
 
-class ArgParse:
+class ArgParse(BlackList):
 
     def __init__(self, args):
+        super().__init__()
         self.args = args
         self.meta = _meta_
         self.msg = Msg()
@@ -463,7 +463,6 @@ class ArgParse:
     def pkg_blacklist(self):
         """Manage blacklist packages
         """
-        blacklist = BlackList()
         options = [
             "-b",
             "--blacklist"
@@ -475,19 +474,19 @@ class ArgParse:
         command = ["list"]
         if (len(self.args) == 2 and self.args[0] in options and
                 self.args[1] == command[0]):
-            blacklist.listed()
+            self.black_listed()
         elif (len(self.args) > 2 and self.args[0] in options and
                 flag[0] in self.args):
             self.args.remove(flag[0])
-            blacklist.add(self.args[1:])
+            self.black_add(self.args[1:])
         elif (len(self.args) == 2 and self.args[0] in options and
                 flag[1] in self.args):
             self.args.remove(flag[1])
-            blacklist.remove(blacklist.get_black())
+            self.black_remove(list(self.get_black()))
         elif (len(self.args) > 2 and self.args[0] in options and
                 flag[1] in self.args):
             self.args.remove(flag[1])
-            blacklist.remove(self.args[1:])
+            self.black_remove(self.args[1:])
         else:
             usage("")
 
diff --git a/slpkg/pkg/find.py b/slpkg/pkg/find.py
index 8dffd840..f70979f6 100644
--- a/slpkg/pkg/find.py
+++ b/slpkg/pkg/find.py
@@ -32,7 +32,7 @@ def searching(find_pkg, directory):
     """
     if os.path.isdir(directory):
         installed = os.listdir(directory)
-        blacklist = BlackList().get_black()
+        blacklist = list(BlackList().get_black())
         if os.path.exists(directory):
             for pkg in installed:
                 if (not pkg.startswith(".") and pkg.startswith(find_pkg) and
diff --git a/slpkg/sbo/check.py b/slpkg/sbo/check.py
index 3c8d5db6..abbda538 100644
--- a/slpkg/sbo/check.py
+++ b/slpkg/sbo/check.py
@@ -41,7 +41,7 @@ def sbo_upgrade(skip, flag):
     msg.checking()
     upgrade_names = []
     data = SBoGrep(name="").names()
-    blacklist = BlackList().get_black()
+    blacklist = list(BlackList().get_black())
     for pkg in sbo_list():
         name = split_package(pkg)[0]
         ver = split_package(pkg)[1]
diff --git a/slpkg/sbo/dependency.py b/slpkg/sbo/dependency.py
index c06a14e4..febf9347 100644
--- a/slpkg/sbo/dependency.py
+++ b/slpkg/sbo/dependency.py
@@ -30,14 +30,15 @@ from slpkg.__metadata__ import MetaData as _meta_
 from slpkg.sbo.greps import SBoGrep
 
 
-class Requires:
+class Requires(BlackList):
     """Resolving SBo dependencies
     """
     def __init__(self, flag):
+        super().__init__()
         self.flag = flag
         self.meta = _meta_
         self.SLACKBUILDS_TXT = SBoGrep(name="").names()
-        self.blacklist = BlackList().get_black()
+        self.blacklist = list(self.get_black())
         self.dep_results = []
 
     def sbo(self, name):
diff --git a/slpkg/sbo/network.py b/slpkg/sbo/network.py
index 75385c1f..97adcce7 100644
--- a/slpkg/sbo/network.py
+++ b/slpkg/sbo/network.py
@@ -48,11 +48,12 @@ from slpkg.sbo.slack_find import slack_package
 from slpkg.slack.slack_version import slack_ver
 
 
-class SBoNetwork:
+class SBoNetwork(BlackList):
     """View SBo site in terminal and also read, build or
     install packages
     """
     def __init__(self, name, flag):
+        super().__init__()
         self.name = name
         self.flag = flag
         self.meta = _meta_
@@ -76,7 +77,6 @@ class SBoNetwork:
             self.with_checklist()
         grep = SBoGrep(self.name)
         self.sbo_files = grep.files()
-        self.blacklist = BlackList().get_black()
         self.sbo_url = sbo_search_pkg(self.name)
         if self.sbo_url:
             self.sbo_desc = grep.description()[len(self.name) + 2:-1]
@@ -92,7 +92,7 @@ class SBoNetwork:
         """View SlackBuild package, read or install them
         from slackbuilds.org
         """
-        if self.sbo_url and self.name not in self.blacklist:
+        if self.sbo_url and self.name not in self.get_black():
             self.prgnam = f"{self.name}-{self.sbo_version}"
             self.view_sbo()
             while True:
diff --git a/slpkg/sbo/slackbuild.py b/slpkg/sbo/slackbuild.py
index ad35af79..684be808 100644
--- a/slpkg/sbo/slackbuild.py
+++ b/slpkg/sbo/slackbuild.py
@@ -48,10 +48,11 @@ from slpkg.sbo.search import sbo_search_pkg
 from slpkg.sbo.slack_find import slack_package
 
 
-class SBoInstall:
+class SBoInstall(BlackList):
     """Build and install SBo packages with all dependencies
     """
     def __init__(self, slackbuilds, flag):
+        super().__init__()
         self.slackbuilds = slackbuilds
         pkg_security(self.slackbuilds)
         self.flag = flag
@@ -81,7 +82,7 @@ class SBoInstall:
         self.count_uni = 0
         self.msg.reading()
         self.data = SBoGrep(name="").names()
-        self.blacklist = BlackList().get_black()
+        self.blacklist = list(self.get_black())
 
     def init_flags(self):
         """Flags initialization
diff --git a/slpkg/slack/patches.py b/slpkg/slack/patches.py
index aa09916c..bfeb841c 100644
--- a/slpkg/slack/patches.py
+++ b/slpkg/slack/patches.py
@@ -50,10 +50,11 @@ from slpkg.slack.mirrors import mirrors
 from slpkg.slack.slack_version import slack_ver
 
 
-class Patches:
+class Patches(BlackList):
     """Upgrade distribution from official Slackware mirrors
     """
     def __init__(self, skip, flag):
+        super().__init__()
         self.skip = skip
         self.flag = flag
         self.meta = _meta_
@@ -133,8 +134,7 @@ class Patches:
         """Store and return packages for upgrading
         """
         data = repo_data(self.PACKAGES_TXT, "slack", self.flag)
-        b = BlackList()
-        black = b.get_black()
+        black = list(self.get_black())
         for name, loc, comp, uncomp in zip(data[0], data[1], data[2], data[3]):
             repo_pkg_name = split_package(name)[0]
             if (not os.path.isfile(self.meta.pkg_path + name[:-4]) and
diff --git a/slpkg/tracking.py b/slpkg/tracking.py
index ac469801..9af75eae 100644
--- a/slpkg/tracking.py
+++ b/slpkg/tracking.py
@@ -38,13 +38,14 @@ from slpkg.binary.search import search_pkg
 from slpkg.binary.dependency import Dependencies
 
 
-class TrackingDeps:
+class TrackingDeps(BlackList):
     """View tree of dependencies and also
     highlight packages with color green
     if already installed and color red
     if not installed.
     """
     def __init__(self, name, repo, flag):
+        super().__init__()
         self.name = name
         self.repo = repo
         self.flag = flag
@@ -135,7 +136,7 @@ class TrackingDeps:
             self.bin_case_insensitive()
             self.find_pkg = search_pkg(self.name, self.repo)
             if self.find_pkg:
-                self.black = BlackList().get_black()
+                self.black = list(self.get_black())
                 self.dependencies_list = Dependencies(
                     self.repo, self.black).binary(self.name, self.flag)