diff --git a/icu4c/source/layout/IndicLayoutEngine.h b/icu4c/source/layout/IndicLayoutEngine.h
index 2c54701e67..1f7eb5f0d8 100644
--- a/icu4c/source/layout/IndicLayoutEngine.h
+++ b/icu4c/source/layout/IndicLayoutEngine.h
@@ -18,8 +18,6 @@
 #include "GlyphDefinitionTables.h"
 #include "GlyphPositioningTables.h"
 
-#include <string.h>
-
 U_NAMESPACE_BEGIN
 
 class MPreFixups;
diff --git a/icu4c/source/layout/LayoutEngine.h b/icu4c/source/layout/LayoutEngine.h
index 0711688430..9538316373 100644
--- a/icu4c/source/layout/LayoutEngine.h
+++ b/icu4c/source/layout/LayoutEngine.h
@@ -10,8 +10,6 @@
 
 #include "LETypes.h"
 
-#include <string.h>
-
 U_NAMESPACE_BEGIN
 
 class LEFontInstance;