diff --git a/dev-libs/leveldb/leveldb-1.20.recipe b/dev-libs/leveldb/leveldb-1.22.recipe
similarity index 75%
rename from dev-libs/leveldb/leveldb-1.20.recipe
rename to dev-libs/leveldb/leveldb-1.22.recipe
index c01810fe7..03b57d547 100644
--- a/dev-libs/leveldb/leveldb-1.20.recipe
+++ b/dev-libs/leveldb/leveldb-1.22.recipe
@@ -11,15 +11,14 @@ HOMEPAGE="http://leveldb.org/"
 COPYRIGHT="2017 The LevelDB Authors"
 LICENSE="BSD (3-clause)"
 REVISION="1"
-SOURCE_URI="https://github.com/google/leveldb/archive/v$portVersion.tar.gz"
-CHECKSUM_SHA256="f5abe8b5b209c2f36560b75f32ce61412f39a2922f7045ae764a2c23335b6664"
+SOURCE_URI="https://github.com/google/leveldb/archive/$portVersion.tar.gz"
+CHECKSUM_SHA256="55423cac9e3306f4a9502c738a001e4a339d1a38ffbee7572d4a07d5d63949b2"
 SOURCE_FILENAME="leveldb-$portVersion.tar.gz"
-PATCHES="leveldb-$portVersion.patchset"
 
 ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
 SECONDARY_ARCHITECTURES="x86"
 
-libVersion="$portVersion"
+libVersion="${portVersion}.0"
 libVersionCompat="$libVersion compat >= ${libVersion%%.*}"
 
 PROVIDES="
@@ -46,9 +45,9 @@ BUILD_REQUIRES="
 	"
 BUILD_PREREQUIRES="
 	haiku${secondaryArchSuffix}_devel
+	cmd:cmake
 	cmd:gcc$secondaryArchSuffix
 	cmd:ld$secondaryArchSuffix
-	cmd:libtoolize$secondaryArchSuffix
 	cmd:make
 	"
 
@@ -57,25 +56,27 @@ defineDebugInfoPackage leveldb$secondaryArchSuffix \
 
 BUILD()
 {
+	mkdir -p build && cd build
+	cmake .. $cmakeDirArgs \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DBUILD_SHARED_LIBS=1
 	make $jobArgs
 }
 
 INSTALL()
 {
-	install -d -m 755 "$libDir" "$includeDir" "$developDocDir"
+	cd build
+	make install
 
-	cp -R include/* "$includeDir"
-	cp out-static/*.a "$libDir"
-	cp --no-dereference out-shared/libleveldb.so* "$libDir"
-	cp -R doc/* "$developDocDir"
-
-	prepareInstalledDevelLibs libleveldb libmemenv
+	prepareInstalledDevelLibs libleveldb
 
 	packageEntries devel \
-		"$developDir"
+		"$developDir" \
+		"$libDir/cmake"
 }
 
 TEST()
 {
-	make check
+	cd build
+	make test
 }
diff --git a/dev-libs/leveldb/patches/leveldb-1.20.patchset b/dev-libs/leveldb/patches/leveldb-1.20.patchset
deleted file mode 100644
index fcc6d238b..000000000
--- a/dev-libs/leveldb/patches/leveldb-1.20.patchset
+++ /dev/null
@@ -1,44 +0,0 @@
-From 0adb7c07e094fad72120b8a86fcf386a95f9be06 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Zolt=C3=A1n=20Mizsei?= <zmizsei@extrowerk.com>
-Date: Sun, 13 May 2018 17:00:39 +0200
-Subject: Haiku supporting patches
-
-
-diff --git a/build_detect_platform b/build_detect_platform
-index d2a20ce..e1fa25e 100755
---- a/build_detect_platform
-+++ b/build_detect_platform
-@@ -131,6 +131,13 @@ case "$TARGET_OS" in
-         PORT_FILE=port/port_posix.cc
-         PORT_SSE_FILE=port/port_posix_sse.cc
-         ;;
-+    Haiku)
-+        PLATFORM=OS_HAIKU
-+        COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_HAIKU"
-+        PLATFORM_LIBS="-lpthread"
-+        PORT_FILE=port/port_posix.cc
-+        PORT_SSE_FILE=port/port_posix_sse.cc
-+        ;;
-     OS_ANDROID_CROSSCOMPILE)
-         PLATFORM=OS_ANDROID
-         COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_ANDROID -DLEVELDB_PLATFORM_POSIX"
-diff --git a/util/env_posix.cc b/util/env_posix.cc
-index 84aabb2..58b00ee 100644
---- a/util/env_posix.cc
-+++ b/util/env_posix.cc
-@@ -280,10 +280,12 @@ class PosixWritableFile : public WritableFile {
-     if (!s.ok()) {
-       return s;
-     }
-+    #ifndef __HAIKU__
-     if (fflush_unlocked(file_) != 0 ||
-         fdatasync(fileno(file_)) != 0) {
-       s = Status::IOError(filename_, strerror(errno));
-     }
-+    #endif
-     return s;
-   }
- };
--- 
-2.16.2
-