diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 94edc14..d1386fb 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -16,12 +16,12 @@ jobs:
     - uses: actions/checkout@v3
     - uses: ilammy/msvc-dev-cmd@v1
     - name: Test No-Op (debug)
-      run: cl /Od /RTCsu /TC tests\noop.c /I. /DFIO_LEAK_COUNTER=1 /DDEBUG /Fe./noop.exe && ./noop.exe
+      run: cl /Od /RTCsu /TC tests\noop.c /I. /D_CRT_NONSTDC_NO_WARNINGS /DFIO_LEAK_COUNTER=1 /DDEBUG /Fe./noop.exe && ./noop.exe
     - name: Test STL (debug) - no allocators
-      run: cl /Od /RTCsu /TC tests\stl.c /I. /DFIO_MEMORY_DISABLE=1 /DFIO_LEAK_COUNTER=1 /DDEBUG /Fe./stld.exe && ./stld.exe
+      run: cl /Od /RTCsu /TC tests\stl.c /I. /D_CRT_NONSTDC_NO_WARNINGS /DFIO_MEMORY_DISABLE=1 /DFIO_LEAK_COUNTER=1 /DDEBUG /Fe./stld.exe && ./stld.exe
     - name: Test Mustache Compliance (debug) - no allocators
-      run: cl /Od /RTCsu /TC tests\mustache.c /I. /DFIO_MEMORY_DISABLE=1 /DFIO_LEAK_COUNTER=1 /DDEBUG /Fe./stld.exe && ./stld.exe
+      run: cl /Od /RTCsu /TC tests\mustache.c /I. /D_CRT_NONSTDC_NO_WARNINGS /DFIO_MEMORY_DISABLE=1 /DFIO_LEAK_COUNTER=1 /DDEBUG /Fe./stld.exe && ./stld.exe
     - name: Test fio_malloc speed
       run: cl /O2 /Oi /TC tests\malloc.c /I. /Fe./malloc.exe && ./malloc.exe
     - name: Test STL
-      run: cl /O2 /Oi /TC tests\stl.c /DFIO_LEAK_COUNTER=1 /I. /Fe./stl.exe && ./stl.exe
+      run: cl /O2 /Oi /TC tests\stl.c /D_CRT_NONSTDC_NO_WARNINGS /DFIO_LEAK_COUNTER=1 /I. /Fe./stl.exe && ./stl.exe
diff --git a/.github/workflows/windows_clang.yml b/.github/workflows/windows_clang.yml
index ae6435e..98f9a2e 100644
--- a/.github/workflows/windows_clang.yml
+++ b/.github/workflows/windows_clang.yml
@@ -18,10 +18,10 @@ jobs:
       with:
         platform: x64
     - name: Test No-Op (debug)
-      run: clang -O0 -fstack-protector-all tests\noop.c -I. -DFIO_LEAK_COUNTER=1 -DDEBUG -o ./noop.exe && ./noop.exe
+      run: clang -O0 -fstack-protector-all tests\noop.c -I. -DFIO_LEAK_COUNTER=1 -DDEBUG -D_CRT_NONSTDC_NO_WARNINGS -o ./noop.exe && ./noop.exe
     - name: Test STL (debug) - no allocators
-      run: clang -O0 -fstack-protector-all tests\stl.c -I. -DFIO_MEMORY_DISABLE=1 -DFIO_LEAK_COUNTER=1 -DDEBUG -o ./stld.exe && ./stld.exe
+      run: clang -O0 -fstack-protector-all tests\stl.c -I. -DFIO_MEMORY_DISABLE=1 -DFIO_LEAK_COUNTER=1 -D_CRT_NONSTDC_NO_WARNINGS -DDEBUG -o ./stld.exe && ./stld.exe
     - name: Test fio_malloc speed
       run: clang -O3 -march=native tests\malloc.c -I. -o ./malloc.exe && ./malloc.exe
     - name: Test STL
-      run: clang -O3 -march=native tests\stl.c -DFIO_LEAK_COUNTER=1 -I. -o ./stl.exe && ./stl.exe
+      run: clang -O3 -march=native tests\stl.c -DFIO_LEAK_COUNTER=1 -D_CRT_NONSTDC_NO_WARNINGS -I. -o ./stl.exe && ./stl.exe
diff --git a/.github/workflows/windows_mingw.yml b/.github/workflows/windows_mingw.yml
deleted file mode 100644
index 2fd5118..0000000
--- a/.github/workflows/windows_mingw.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: Windows MingW CI
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-jobs:
-  build:
-
-    runs-on: windows-latest
-    timeout-minutes: 35
-
-    steps:
-    - uses: actions/checkout@v3
-    - uses: egor-tensin/setup-mingw@v2
-      with:
-        platform: x64
-        cc: 1
-    - name: Test No-Op (debug)
-      run: cc -O0 -fstack-protector-all tests\noop.c -I. -DFIO_LEAK_COUNTER=1 -DDEBUG -lws2_32 -o ./noop.exe && ./noop.exe
-    - name: Test STL (debug) - no allocators
-      run: cc -O0 -fstack-protector-all tests\stl.c -I. -DFIO_MEMORY_DISABLE=1 -DFIO_LEAK_COUNTER=1 -DDEBUG -lws2_32 -o ./stld.exe && ./stld.exe
-    - name: Test fio_malloc speed
-      run: cc -O2 -march=native tests\malloc.c -I. -lws2_32 -o ./malloc.exe && ./malloc.exe
-    - name: Test STL
-      run: cc -O2 -march=native tests\stl.c -DFIO_LEAK_COUNTER=1 -I. -lws2_32 -o ./stl.exe && ./stl.exe