diff --git a/libs/hwui/SkiaInterpolator.cpp b/libs/hwui/SkiaInterpolator.cpp
index c67b135..5a45ad9 100644
--- a/libs/hwui/SkiaInterpolator.cpp
+++ b/libs/hwui/SkiaInterpolator.cpp
@@ -20,6 +20,7 @@
 #include "include/core/SkTypes.h"
 
 #include <cstdlib>
+#include <cstring>
 #include <log/log.h>
 
 typedef int Dot14;
diff --git a/libs/hwui/effects/GainmapRenderer.cpp b/libs/hwui/effects/GainmapRenderer.cpp
index 3ebf7d1..0a30c6c 100644
--- a/libs/hwui/effects/GainmapRenderer.cpp
+++ b/libs/hwui/effects/GainmapRenderer.cpp
@@ -32,6 +32,8 @@
 #include "src/core/SkColorFilterPriv.h"
 #include "src/core/SkImageInfoPriv.h"
 #include "src/core/SkRuntimeEffectPriv.h"
+
+#include <cmath>
 #endif
 
 namespace android::uirenderer {
@@ -206,12 +208,12 @@
 
     void setupGenericUniforms(const sk_sp<const SkImage>& gainmapImage,
                               const SkGainmapInfo& gainmapInfo) {
-        const SkColor4f logRatioMin({sk_float_log(gainmapInfo.fGainmapRatioMin.fR),
-                                     sk_float_log(gainmapInfo.fGainmapRatioMin.fG),
-                                     sk_float_log(gainmapInfo.fGainmapRatioMin.fB), 1.f});
-        const SkColor4f logRatioMax({sk_float_log(gainmapInfo.fGainmapRatioMax.fR),
-                                     sk_float_log(gainmapInfo.fGainmapRatioMax.fG),
-                                     sk_float_log(gainmapInfo.fGainmapRatioMax.fB), 1.f});
+        const SkColor4f logRatioMin({std::log(gainmapInfo.fGainmapRatioMin.fR),
+                                     std::log(gainmapInfo.fGainmapRatioMin.fG),
+                                     std::log(gainmapInfo.fGainmapRatioMin.fB), 1.f});
+        const SkColor4f logRatioMax({std::log(gainmapInfo.fGainmapRatioMax.fR),
+                                     std::log(gainmapInfo.fGainmapRatioMax.fG),
+                                     std::log(gainmapInfo.fGainmapRatioMax.fB), 1.f});
         const int noGamma = gainmapInfo.fGainmapGamma.fR == 1.f &&
                             gainmapInfo.fGainmapGamma.fG == 1.f &&
                             gainmapInfo.fGainmapGamma.fB == 1.f;
@@ -248,10 +250,10 @@
             float W = 0.f;
             if (targetHdrSdrRatio > mGainmapInfo.fDisplayRatioSdr) {
                 if (targetHdrSdrRatio < mGainmapInfo.fDisplayRatioHdr) {
-                    W = (sk_float_log(targetHdrSdrRatio) -
-                         sk_float_log(mGainmapInfo.fDisplayRatioSdr)) /
-                        (sk_float_log(mGainmapInfo.fDisplayRatioHdr) -
-                         sk_float_log(mGainmapInfo.fDisplayRatioSdr));
+                    W = (std::log(targetHdrSdrRatio) -
+                         std::log(mGainmapInfo.fDisplayRatioSdr)) /
+                        (std::log(mGainmapInfo.fDisplayRatioHdr) -
+                         std::log(mGainmapInfo.fDisplayRatioSdr));
                 } else {
                     W = 1.f;
                 }
diff --git a/libs/hwui/utils/Color.cpp b/libs/hwui/utils/Color.cpp
index f6c5792..6a560b3 100644
--- a/libs/hwui/utils/Color.cpp
+++ b/libs/hwui/utils/Color.cpp
@@ -403,7 +403,7 @@
 }
 
 static skcms_TransferFunction trfn_apply_gain(const skcms_TransferFunction trfn, float gain) {
-    float pow_gain_ginv = sk_float_pow(gain, 1 / trfn.g);
+    float pow_gain_ginv = std::pow(gain, 1 / trfn.g);
     skcms_TransferFunction result;
     result.g = trfn.g;
     result.a = trfn.a * pow_gain_ginv;