diff --git a/.github/workflows/check_build.yml b/.github/workflows/check_build.yml
index e688ad7..f0907b5 100644
--- a/.github/workflows/check_build.yml
+++ b/.github/workflows/check_build.yml
@@ -27,10 +27,10 @@ jobs:
       - name: Set environment variables for compilation flags
         run: |
           echo "CC=gcc-7 -std=gnu99" >> $GITHUB_ENV
-          echo "CFLAGS=-g -O3 -Wall -pedantic -mtune=native -D_FORTIFY_SOURCE=2" >> $GITHUB_ENV
-          echo "CXXFLAGS=-g -O3 -Wall -pedantic -mtune=native -frtti -Wno-ignored-attributes -Wno-deprecated-declarations -D_FORTIFY_SOURCE=2" >> $GITHUB_ENV
-          echo "FFLAGS=-g -O2 -mtune=native -Wall -pedantic" >> $GITHUB_ENV
-          echo "FCFLAGS=-g -O2 -mtune=native -Wall -pedantic" >> $GITHUB_ENV
+          echo "CFLAGS=-g -O2 -Wall -pedantic -fomit-frame-pointer" >> $GITHUB_ENV
+          echo "CXXFLAGS=-g -O2 -Wall -pedantic -fomit-frame-pointer" >> $GITHUB_ENV
+          echo "FFLAGS=-g -O2 -Wall -pedantic" >> $GITHUB_ENV
+          echo "FCFLAGS=-g -O2 -Wall -pedantic" >> $GITHUB_ENV
 
       - name: Run tests
         run: |