diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b1d8772..fe73189 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,22 +30,19 @@ concurrency:
 
 jobs:
   tests:
-    name: PHP ${{ matrix.php }}-${{ matrix.os }}
+    name: PHP ${{ matrix.php }}
 
     env:
       COMPOSER_ROOT_VERSION: dev-master
 
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        os:
-          - ubuntu-latest
-
         php:
-          - '8.1'
-          - '8.2'
-          - '8.3'
+          - 8.1
+          - 8.2
+          - 8.3
 
     steps:
       - name: Checkout.
diff --git a/.github/workflows/mariadb.yml b/.github/workflows/mariadb.yml
deleted file mode 100644
index e69de29..0000000
diff --git a/.github/workflows/mssql.yml b/.github/workflows/mssql.yml
index 0a70b04..c529c53 100644
--- a/.github/workflows/mssql.yml
+++ b/.github/workflows/mssql.yml
@@ -26,7 +26,7 @@ concurrency:
 
 jobs:
   tests:
-    name: PHP ${{ matrix.php }}-mssql-${{ matrix.mssql }}
+    name: PHP ${{ matrix.php }}-mssql
 
     env:
       COMPOSER_ROOT_VERSION: dev-master
diff --git a/.github/workflows/mutation.yml b/.github/workflows/mutation.yml
index c051837..d5d4707 100644
--- a/.github/workflows/mutation.yml
+++ b/.github/workflows/mutation.yml
@@ -22,18 +22,15 @@ concurrency:
 
 jobs:
   mutation:
-    name: PHP ${{ matrix.php }}-${{ matrix.os }}
+    name: PHP ${{ matrix.php }}
 
     env:
       extensions: pdo, pdo_pgsql, pdo_sqlite
 
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        os:
-          - ubuntu-latest
-
         php:
           - 8.3
 
diff --git a/.github/workflows/mysql.yml b/.github/workflows/mysql.yml
index a38951d..98ab01d 100644
--- a/.github/workflows/mysql.yml
+++ b/.github/workflows/mysql.yml
@@ -26,7 +26,7 @@ concurrency:
 
 jobs:
   tests:
-    name: PHP ${{ matrix.php }}-${{ matrix.mysql }}
+    name: PHP ${{ matrix.php }}
 
     env:
       COMPOSER_ROOT_VERSION: dev-master
diff --git a/.github/workflows/oracle.yml b/.github/workflows/oracle.yml
index a84798a..8c1c10d 100644
--- a/.github/workflows/oracle.yml
+++ b/.github/workflows/oracle.yml
@@ -26,7 +26,7 @@ concurrency:
 
 jobs:
   tests:
-    name: PHP ${{ matrix.php }}-${{ matrix.oracle }}
+    name: PHP ${{ matrix.php }}
 
     env:
       COMPOSER_ROOT_VERSION: dev-master
diff --git a/.github/workflows/pgsql.yml b/.github/workflows/pgsql.yml
index b8683a3..723576e 100644
--- a/.github/workflows/pgsql.yml
+++ b/.github/workflows/pgsql.yml
@@ -26,7 +26,7 @@ concurrency:
 
 jobs:
   tests:
-    name: PHP ${{ matrix.php }}-pgsql-${{ matrix.pgsql }}
+    name: PHP ${{ matrix.php }}-pgsql
 
     env:
       COMPOSER_ROOT_VERSION: dev-master