diff --git a/docs/examples/convex_overstroke_linear_approx_curve.cpp b/docs/examples/convex_overstroke_linear_approx_curve.cpp
index 91516b0aec..1db30de71e 100644
--- a/docs/examples/convex_overstroke_linear_approx_curve.cpp
+++ b/docs/examples/convex_overstroke_linear_approx_curve.cpp
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
 #include "tools/fiddle/examples.h"
 REG_FIDDLE(convex_overstroke_linear_approx_curve, 256, 256, false, 0) {
-#include "math.h"
+#include <math.h>
 
 void draw(SkCanvas* canvas) {
     const float SCALE = 1;
diff --git a/src/sksl/SkSLUtil.h b/src/sksl/SkSLUtil.h
index 3b9e3936a7..c974ca8025 100644
--- a/src/sksl/SkSLUtil.h
+++ b/src/sksl/SkSLUtil.h
@@ -10,8 +10,8 @@
 
 #include <cstdarg>
 #include <memory>
-#include "stdlib.h"
-#include "string.h"
+#include <stdlib.h>
+#include <string.h>
 #include "include/private/SkSLDefines.h"
 #include "src/sksl/SkSLGLSL.h"
 #include "src/sksl/SkSLLexer.h"
diff --git a/src/sksl/dsl/DSLExpression.cpp b/src/sksl/dsl/DSLExpression.cpp
index e084accb3c..ff0f90387a 100644
--- a/src/sksl/dsl/DSLExpression.cpp
+++ b/src/sksl/dsl/DSLExpression.cpp
@@ -21,7 +21,7 @@
 #include "src/sksl/ir/SkSLPostfixExpression.h"
 #include "src/sksl/ir/SkSLPrefixExpression.h"
 
-#include "math.h"
+#include <math.h>
 
 #if !defined(SKSL_STANDALONE) && SK_SUPPORT_GPU
 #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h"