diff --git a/.github/workflows/clang-linux-nix-check.yml b/.github/workflows/clang-linux-nix-check.yml
new file mode 100644
index 0000000000..43f37fa63f
--- /dev/null
+++ b/.github/workflows/clang-linux-nix-check.yml
@@ -0,0 +1,24 @@
+name: Build and Test on Linux Platforms
+
+on:
+  workflow_call:
+
+jobs:
+  build-and-test:
+    name: "Build and test Linux with clang"
+    runs-on: [self-hosted, Linux, X64, aws_autoscaling]
+    steps:
+      # https://github.com/actions/checkout/issues/1552
+      - name: Clean up after previous checkout
+        run: chmod +w -R ${GITHUB_WORKSPACE}; rm -rf ${GITHUB_WORKSPACE}/*;
+
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Run checks
+        run: nix build -L .?#checks.x86_64-linux.all-clang
+        env:
+          NIX_CONFIG: |
+            cores = 4
diff --git a/.github/workflows/linux-nix-check.yml b/.github/workflows/gcc-linux-nix-check.yml
similarity index 93%
rename from .github/workflows/linux-nix-check.yml
rename to .github/workflows/gcc-linux-nix-check.yml
index 87eb515db4..43af748ee2 100644
--- a/.github/workflows/linux-nix-check.yml
+++ b/.github/workflows/gcc-linux-nix-check.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   build-and-test:
-    name: "Build and test Linux"
+    name: "Build and test Linux with gcc"
     runs-on: [self-hosted, Linux, X64, aws_autoscaling]
     steps:
       # https://github.com/actions/checkout/issues/1552
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index ed2496a0c8..7f2f09e15c 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -15,9 +15,16 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  test-linux:
-    name: Linux Crypto3 Testing
-    uses: ./.github/workflows/linux-nix-check.yml
+  test-linux-gcc:
+    name: Linux Crypto3 Testing with gcc
+    uses: ./.github/workflows/gcc-linux-nix-check.yml
+    if: |
+      always() && !cancelled()
+    secrets: inherit
+
+  test-linux-clang:
+    name: Linux Crypto3 Testing with clang
+    uses: ./.github/workflows/clang-linux-nix-check.yml
     if: |
       always() && !cancelled()
     secrets: inherit
diff --git a/crypto3/CMakeLists.txt b/crypto3/CMakeLists.txt
index 849f8b7c26..927c94dd7e 100644
--- a/crypto3/CMakeLists.txt
+++ b/crypto3/CMakeLists.txt
@@ -22,6 +22,10 @@ option(CMAKE_ENABLE_TESTS "Enable tests" FALSE) # used by CMTest module
 option(BUILD_BENCH_TESTS "Build performance benchmark tests" FALSE)
 option(BUILD_DOCS "Build with configuring Doxygen documentation compiler" FALSE)
 
+if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
+    set(CMAKE_CXX_FLAGS "-ggdb -O0")
+endif()
+
 # This is useful due to some build systems (Ninja in particular) are piping
 # compiler output and compiler switches it's output to plain text
 option (FORCE_COLORED_OUTPUT "Always produce ANSI-colored output (GNU/Clang only)." FALSE)
diff --git a/crypto3/crypto3.nix b/crypto3/crypto3.nix
index c6a05331fc..dd992e7c72 100644
--- a/crypto3/crypto3.nix
+++ b/crypto3/crypto3.nix
@@ -27,10 +27,7 @@ in stdenv.mkDerivation {
   cmakeFlags =
     [
       (if runTests then "-DBUILD_TESTS=TRUE" else "")
-      (if runTests then "-DCMAKE_ENABLE_TESTS=TRUE" else "")
       (if enableDebug then "-DCMAKE_BUILD_TYPE=Debug" else "-DCMAKE_BUILD_TYPE=Release")
-      (if enableDebug then "-DCMAKE_CXX_FLAGS=-ggdb" else "")
-      (if enableDebug then "-DCMAKE_CXX_FLAGS=-O0" else "")
       "-G Ninja"
     ];
 
diff --git a/evm-assigner/evm-assigner.nix b/evm-assigner/evm-assigner.nix
index 9405a38005..cc65a3c3ab 100644
--- a/evm-assigner/evm-assigner.nix
+++ b/evm-assigner/evm-assigner.nix
@@ -32,10 +32,8 @@ in stdenv.mkDerivation rec {
   cmakeFlags =
   [
       (if runTests then "-DBUILD_TESTS=TRUE" else "")
-      (if runTests then "-DCMAKE_ENABLE_TESTS=TRUE" else "")
       (if runTests then "-DBUILD_ASSIGNER_TESTS=TRUE" else "")
       (if enableDebug then "-DCMAKE_BUILD_TYPE=Debug" else "-DCMAKE_BUILD_TYPE=Release")
-      (if enableDebug then "-DCMAKE_CXX_FLAGS=-ggdb" else "")
       "-G Ninja"
   ];
 
diff --git a/evm-assigner/lib/assigner/CMakeLists.txt b/evm-assigner/lib/assigner/CMakeLists.txt
index c824cb9a2f..9618e328e7 100644
--- a/evm-assigner/lib/assigner/CMakeLists.txt
+++ b/evm-assigner/lib/assigner/CMakeLists.txt
@@ -5,6 +5,10 @@ cmake_policy(SET CMP0063 NEW)
 
 option(BUILD_ASSIGNER_TESTS "Build unit tests" FALSE)
 
+if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
+    set(CMAKE_CXX_FLAGS "-ggdb -O0")
+endif()
+
 set(evmone_sources
     ${CMAKE_CURRENT_SOURCE_DIR}/evmone/baseline.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/evmone/baseline_instruction_table.cpp