diff --git a/kernel/power/drot.c b/kernel/power/drot.c
index 3229878e..a25ccceb 100644
--- a/kernel/power/drot.c
+++ b/kernel/power/drot.c
@@ -37,8 +37,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "common.h"
 
-#pragma GCC optimize "O1"
-
 #if defined(__VEC__) || defined(__ALTIVEC__)
 #if defined(POWER8) || defined(POWER9)
 #include "drot_microk_power8.c"
diff --git a/kernel/power/srot.c b/kernel/power/srot.c
index 5a0d4b12..d73fafc9 100644
--- a/kernel/power/srot.c
+++ b/kernel/power/srot.c
@@ -37,8 +37,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "common.h"
 
-#pragma GCC optimize "O1"
-
 #if defined(__VEC__) || defined(__ALTIVEC__)
 #if defined(POWER8) || defined(POWER9)
 #include "srot_microk_power8.c"
diff --git a/kernel/power/zscal.c b/kernel/power/zscal.c
index 59ddc149..a5e35001 100644
--- a/kernel/power/zscal.c
+++ b/kernel/power/zscal.c
@@ -36,8 +36,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "common.h"
 
-#pragma GCC optimize "O1"
-
 #if defined(__VEC__) || defined(__ALTIVEC__)
 #if defined(POWER8) || defined(POWER9)
 #if defined(DOUBLE)