diff --git a/dependencies/precompiled.config b/dependencies/precompiled.config
index 1d60df6..8be79fb 100755
--- a/dependencies/precompiled.config
+++ b/dependencies/precompiled.config
@@ -1,7 +1,4 @@
 #!/usr/bin/env bash
-if [ -z $ARCH ]; then
-    ARCH='x64'
-fi
 DEP_WORKING_DIR="dependencies/precompiled/$OS-$ARCH"
 mkdir -p "dependencies/precompiled"
 mkdir -p "$DEP_WORKING_DIR"
diff --git a/project.config b/project.config
index f24a082..769ebbc 100755
--- a/project.config
+++ b/project.config
@@ -1,6 +1,5 @@
 #!/usr/bin/env bash
-CBUILD_VERSION=2.1.4
-CONFIG_VERSION=1
+CBUILD_VERSION=2.2.1
 
 PROJECT="ougge"
 CMP_C="gcc"
diff --git a/tasks/download_mono_from_nuget.sh b/tasks/download_mono_from_nuget.sh
index 2065bd3..695188f 100644
--- a/tasks/download_mono_from_nuget.sh
+++ b/tasks/download_mono_from_nuget.sh
@@ -6,10 +6,6 @@ if [ -z "$package_version" ]; then
 fi
 myprint "${BLUE}package_version: ${CYAN}$package_version"
 
-if [ -z $ARCH ]; then
-    ARCH='x64'
-fi
-
 case "$OS" in
     LINUX)
         package_platform="linux-$ARCH"