diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 990ea323b..b8f6c224a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -87,7 +87,7 @@ jobs:
       matrix:
         os: [windows-latest, macOS-latest, ubuntu-latest]
         id_type: ["std::uint32_t", "std::uint64_t"]
-        cxx_std: [cxx_std_17, cxx_std_20]
+        cxx_std: [cxx_std_20]
 
     timeout-minutes: 15
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/sanitizer.yml b/.github/workflows/sanitizer.yml
index 930cb798d..66019e420 100644
--- a/.github/workflows/sanitizer.yml
+++ b/.github/workflows/sanitizer.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         compiler: [clang++]
         id_type: ["std::uint32_t", "std::uint64_t"]
-        cxx_std: [cxx_std_17, cxx_std_20]
+        cxx_std: [cxx_std_20]
 
     runs-on: ubuntu-latest