diff --git a/src/KeePassLib2Android/KeePassLib2Android.csproj b/src/KeePassLib2Android/KeePassLib2Android.csproj
index f100ebca..763e2040 100644
--- a/src/KeePassLib2Android/KeePassLib2Android.csproj
+++ b/src/KeePassLib2Android/KeePassLib2Android.csproj
@@ -162,10 +162,6 @@
       <Project>{70D3844A-D9FA-4A64-B205-A84C6A822196}</Project>
       <Name>KP2AKdbLibraryBinding</Name>
     </ProjectReference>
-    <ProjectReference Include="..\ZlibAndroid\ZlibAndroid.csproj">
-      <Project>{6C29A7E7-E016-4FC1-B1A0-DEE26AC711BB}</Project>
-      <Name>ZlibAndroid</Name>
-    </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Novell\Novell.MonoDroid.CSharp.targets" />
   <Import Project="..\packages\Xamarin.Insights.1.11.3\build\MonoAndroid10\Xamarin.Insights.targets" Condition="Exists('..\packages\Xamarin.Insights.1.11.3\build\MonoAndroid10\Xamarin.Insights.targets')" />
diff --git a/src/KeePassLib2Android/Serialization/KdbxFile.Read.cs b/src/KeePassLib2Android/Serialization/KdbxFile.Read.cs
index 46477729..d5d82fab 100644
--- a/src/KeePassLib2Android/Serialization/KdbxFile.Read.cs
+++ b/src/KeePassLib2Android/Serialization/KdbxFile.Read.cs
@@ -114,7 +114,7 @@ namespace KeePassLib.Serialization
 						!m_bRepairMode);
 
 					if(m_pwDatabase.Compression == PwCompressionAlgorithm.GZip)
-						readerStream = new Ionic.Zlib.GZipStream(sHashed, Ionic.Zlib.CompressionMode.Decompress);
+						readerStream = new GZipStream(sHashed, CompressionMode.Decompress);
 					else readerStream = sHashed;
 				}
 				else if(kdbFormat == KdbxFormat.PlainXml)
diff --git a/src/KeePassLib2Android/Serialization/KdbxFile.Write.cs b/src/KeePassLib2Android/Serialization/KdbxFile.Write.cs
index c601f3c9..a61e9bef 100644
--- a/src/KeePassLib2Android/Serialization/KdbxFile.Write.cs
+++ b/src/KeePassLib2Android/Serialization/KdbxFile.Write.cs
@@ -115,7 +115,7 @@ namespace KeePassLib.Serialization
 					Stream sHashed = new HashedBlockStream(sEncrypted, true);
 
 					if(m_pwDatabase.Compression == PwCompressionAlgorithm.GZip)
-						writerStream = new Ionic.Zlib.GZipStream(sHashed, Ionic.Zlib.CompressionMode.Compress);
+						writerStream = new GZipStream(sHashed, CompressionMode.Compress);
 					else
 						writerStream = sHashed;
 				}
diff --git a/src/KeePassLib2Android/Translation/KPTranslation.cs b/src/KeePassLib2Android/Translation/KPTranslation.cs
index 27a5987c..32b01089 100644
--- a/src/KeePassLib2Android/Translation/KPTranslation.cs
+++ b/src/KeePassLib2Android/Translation/KPTranslation.cs
@@ -103,7 +103,7 @@ namespace KeePassLib.Translation
 				FileAccess.Write, FileShare.None);
 
 #if !KeePassLibSD
-			Ionic.Zlib.GZipStream gz = new Ionic.Zlib.GZipStream(fs, Ionic.Zlib.CompressionMode.Compress);
+			GZipStream gz = new GZipStream(fs, CompressionMode.Compress);
 #else
 			GZipOutputStream gz = new GZipOutputStream(fs);
 #endif
@@ -132,7 +132,7 @@ namespace KeePassLib.Translation
 				FileAccess.Read, FileShare.Read);
 
 #if !KeePassLibSD
-			Ionic.Zlib.GZipStream gz = new Ionic.Zlib.GZipStream(fs, Ionic.Zlib.CompressionMode.Decompress);
+			GZipStream gz = new GZipStream(fs, CompressionMode.Decompress);
 #else
 			GZipInputStream gz = new GZipInputStream(fs);
 #endif
diff --git a/src/KeePassLib2Android/Utility/AppLogEx.cs b/src/KeePassLib2Android/Utility/AppLogEx.cs
index 25e50edc..ae16f699 100644
--- a/src/KeePassLib2Android/Utility/AppLogEx.cs
+++ b/src/KeePassLib2Android/Utility/AppLogEx.cs
@@ -68,7 +68,7 @@ namespace KeePassLib.Utility
 
 				FileStream fsOut = new FileStream(strPath, FileMode.Create,
 					FileAccess.Write, FileShare.None);
-				Ionic.Zlib.GZipStream gz = new Ionic.Zlib.GZipStream(fsOut, CompressionMode.Compress);
+				GZipStream gz = new GZipStream(fsOut, CompressionMode.Compress);
 				m_swOut = new StreamWriter(gz);
 
 				AppLogEx.Log("Started logging on " + dtNow.ToString("s") + ".");
diff --git a/src/KeePassLib2Android/Utility/MemUtil.cs b/src/KeePassLib2Android/Utility/MemUtil.cs
index a5b10e47..8c2e937b 100644
--- a/src/KeePassLib2Android/Utility/MemUtil.cs
+++ b/src/KeePassLib2Android/Utility/MemUtil.cs
@@ -430,7 +430,7 @@ namespace KeePassLib.Utility
 			if(pbData.Length == 0) return pbData;
 
 			MemoryStream msCompressed = new MemoryStream();
-			Ionic.Zlib.GZipStream gz = new Ionic.Zlib.GZipStream(msCompressed, Ionic.Zlib.CompressionMode.Compress);
+			GZipStream gz = new GZipStream(msCompressed, CompressionMode.Compress);
 			MemoryStream msSource = new MemoryStream(pbData, false);
 			MemUtil.CopyStream(msSource, gz);
 			gz.Close();
@@ -447,7 +447,7 @@ namespace KeePassLib.Utility
 			if(pbCompressed.Length == 0) return pbCompressed;
 
 			MemoryStream msCompressed = new MemoryStream(pbCompressed, false);
-			Ionic.Zlib.GZipStream gz = new Ionic.Zlib.GZipStream(msCompressed, Ionic.Zlib.CompressionMode.Decompress);
+			GZipStream gz = new GZipStream(msCompressed, CompressionMode.Decompress);
 			MemoryStream msData = new MemoryStream();
 			MemUtil.CopyStream(gz, msData);
 			gz.Close();