diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3ba48a7fc4..e5d0e36960 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -37,7 +37,7 @@ jobs:
           command: |
             if [ ! -e tmp_install/bin/postgres ]; then
               sudo apt update
-              sudo apt install build-essential libreadline-dev zlib1g-dev flex bison libxml2-dev libcurl4-openssl-dev
+              sudo apt install build-essential libreadline-dev zlib1g-dev flex bison
             fi
 
         # Build postgres if the restore_cache didn't find a build.
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index cfe0d1f952..cba861d703 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -35,7 +35,7 @@ jobs:
       - name: Install postgres dependencies
         run: |
           sudo apt update
-          sudo apt install build-essential libreadline-dev zlib1g-dev flex bison libxml2-dev libcurl4-openssl-dev
+          sudo apt install build-essential libreadline-dev zlib1g-dev flex bison
 
       - name: Set pg revision for caching
         id: pg_ver
diff --git a/Makefile b/Makefile
index 0008f27e3b..1c0bd8bee8 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ tmp_install/build/config.status:
 	mkdir -p tmp_install/build
 	(cd tmp_install/build && \
 	../../vendor/postgres/configure CFLAGS='-O0' --enable-debug --enable-cassert \
-	    --enable-depend --with-libxml --prefix=$(abspath tmp_install) > configure.log)
+	    --enable-depend --prefix=$(abspath tmp_install) > configure.log)
 
 # nicer alias for running 'configure'
 postgres-configure: tmp_install/build/config.status
diff --git a/README.md b/README.md
index 0f9b9ee373..00e579e162 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Zenith substitutes PostgreSQL storage layer and redistributes data across a clus
 On Ubuntu or Debian this set of packages should be sufficient to build the code:
 ```text
 apt install build-essential libtool libreadline-dev zlib1g-dev flex bison \
-libxml2-dev libcurl4-openssl-dev libssl-dev clang
+libssl-dev clang
 ```
 
 [Rust] 1.48 or later is also required.