diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 750360829..3959a7254 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -13,7 +13,6 @@ env:
   BUILD_TYPE: Release
   CC: clang
   CXX: clang++
-  FEX_ENABLEAVX: 1
 
 jobs:
   build_plus_test:
diff --git a/.github/workflows/glibc_fault.yml b/.github/workflows/glibc_fault.yml
index 63c68d89c..7daa8edeb 100644
--- a/.github/workflows/glibc_fault.yml
+++ b/.github/workflows/glibc_fault.yml
@@ -20,7 +20,6 @@ env:
   BUILD_TYPE: Release
   CC: clang
   CXX: clang++
-  FEX_ENABLEAVX: 1
 
 jobs:
   glibc_fault_test:
diff --git a/.github/workflows/hostrunner.yml b/.github/workflows/hostrunner.yml
index 232c8e5bb..d67020599 100644
--- a/.github/workflows/hostrunner.yml
+++ b/.github/workflows/hostrunner.yml
@@ -13,7 +13,6 @@ env:
   BUILD_TYPE: Release
   CC: clang
   CXX: clang++
-  FEX_ENABLEAVX: 1
 
 jobs:
   hostrunner_tests:
diff --git a/.github/workflows/instcountci.yml b/.github/workflows/instcountci.yml
index 89448a1b9..8dd1d5b4f 100644
--- a/.github/workflows/instcountci.yml
+++ b/.github/workflows/instcountci.yml
@@ -13,7 +13,6 @@ env:
   BUILD_TYPE: Release
   CC: clang
   CXX: clang++
-  FEX_ENABLEAVX: 1
 
 jobs:
   instcountci_tests:
diff --git a/.github/workflows/mingw_build.yml b/.github/workflows/mingw_build.yml
index 8a0d27e85..36bb2c184 100644
--- a/.github/workflows/mingw_build.yml
+++ b/.github/workflows/mingw_build.yml
@@ -10,7 +10,6 @@ on:
 
 env:
   BUILD_TYPE: Debug
-  FEX_ENABLEAVX: 1
 
 jobs:
   mingw_build:
diff --git a/.github/workflows/vixl_simulator.yml b/.github/workflows/vixl_simulator.yml
index 2ba93ebae..ed03d7fef 100644
--- a/.github/workflows/vixl_simulator.yml
+++ b/.github/workflows/vixl_simulator.yml
@@ -13,7 +13,6 @@ env:
   BUILD_TYPE: Release
   CC: clang
   CXX: clang++
-  FEX_ENABLEAVX: 1
 
 jobs:
   vixl_simulator: