diff --git a/sysmodules/rosalina/Makefile b/sysmodules/rosalina/Makefile
index fdbec83..0616f6f 100644
--- a/sysmodules/rosalina/Makefile
+++ b/sysmodules/rosalina/Makefile
@@ -29,7 +29,7 @@ ARCH	:=	-march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft
 DEFINES :=	-DARM11 -D_3DS
 
 CFLAGS	:=	-g -std=gnu11 -Wall -Wextra -Werror -Wno-unused-value -O2 -mword-relocations \
-			-fomit-frame-pointer -ffunction-sections -fdata-sections \
+			-fomit-frame-pointer -ffunction-sections -fdata-sections -ffast-math \
 			$(ARCH) $(DEFINES)
 
 CFLAGS	+=	$(INCLUDE)
@@ -39,7 +39,7 @@ CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
 ASFLAGS	:=	-g $(ARCH)
 LDFLAGS	=	-specs=3dsx.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map),--section-start,.text=0x14000000
 
-LIBS	:=	-lctru -lm
+LIBS	:=	-lctru
 
 #---------------------------------------------------------------------------------
 # list of directories containing libraries, this must be the top level containing
diff --git a/sysmodules/rosalina/source/menus/screen_filters.c b/sysmodules/rosalina/source/menus/screen_filters.c
index ca7932b..481e343 100644
--- a/sysmodules/rosalina/source/menus/screen_filters.c
+++ b/sysmodules/rosalina/source/menus/screen_filters.c
@@ -144,10 +144,10 @@ void screenFiltersSetTemperature(int temperature)
     memset(&cs, 0, sizeof(cs));
 
     cs.temperature = temperature;
-    cs.gamma[0] = 1.0F;
+    /*cs.gamma[0] = 1.0F;
     cs.gamma[1] = 1.0F;
     cs.gamma[2] = 1.0F;
-    cs.brightness = 1.0F;
+    cs.brightness = 1.0F;*/
 
     applyColorSettings(&cs);
 }
diff --git a/sysmodules/rosalina/source/redshift/colorramp.c b/sysmodules/rosalina/source/redshift/colorramp.c
index 6d647a9..e24b9d7 100644
--- a/sysmodules/rosalina/source/redshift/colorramp.c
+++ b/sysmodules/rosalina/source/redshift/colorramp.c
@@ -19,7 +19,7 @@
 */
 
 #include <stdint.h>
-#include <math.h>
+//#include <math.h>
 
 #include "redshift/redshift.h"
 
@@ -282,8 +282,10 @@ interpolate_color(float a, const float *c1, const float *c2, float *c)
 }
 
 /* Helper macro used in the fill functions */
-#define F(Y, C)  pow((Y) * setting->brightness * \
-		     white_point[C], 1.0/setting->gamma[C])
+#define F(Y, C)  ((Y) * white_point[C])
+
+/*#define F(Y, C)  pow((Y) * setting->brightness * \
+		     white_point[C], 1.0/setting->gamma[C])*/
 
 void
 colorramp_fill(uint16_t *gamma_r, uint16_t *gamma_g, uint16_t *gamma_b,
@@ -324,4 +326,4 @@ colorramp_fill_float(float *gamma_r, float *gamma_g, float *gamma_b,
 	}
 }
 
-#undef F
\ No newline at end of file
+#undef F