diff --git a/nginx.spec b/nginx.spec
index d0fe05bcf60b08916dbe0449f07719462b178be1..7f230c5550ace48eddb8379e29d26726ecf42c05 100644
--- a/nginx.spec
+++ b/nginx.spec
@@ -260,7 +260,7 @@ export DESTDIR=%{buildroot}
     --with-google_perftools_module \
 %endif
     --with-debug \
-    --with-cc-opt="%{optflags} $(pcre-config --cflags) -floop-unroll-and-jam  -ftree-loop-distribution  --param early-inlining-insns=160 --param inline-heuristics-hint-percent=800 --param inline-min-speedup=50 --param inline-unit-growth=256  --param max-average-unrolled-insns=500 --param max-completely-peel-times=32 --param max-completely-peeled-insns=800 --param max-inline-insns-auto=128 --param max-inline-insns-small=128 --param max-unroll-times=16 --param max-unrolled-insns=16" \
+    --with-cc-opt="%{optflags} $(pcre-config --cflags)" \
     --with-compat \
     --with-ld-opt="$RPM_LD_FLAGS -Wl,-E" # so the perl module finds its symbols