diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index 27b762b70d..eaa940b8d4 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -607,8 +607,6 @@ install (
     PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/ZXing"
 )
 
-set(ZXING_HAS_READERS ${ZXING_READERS})
-set(ZXING_HAS_WRITERS ${ZXING_WRITERS})
 configure_file (Version.h.in Version.h)
 
 install (
diff --git a/core/Version.h.in b/core/Version.h.in
index 40678ccec2..09105fca9c 100644
--- a/core/Version.h.in
+++ b/core/Version.h.in
@@ -6,8 +6,8 @@
 
 #pragma once
 
-#cmakedefine ZXING_HAS_READERS
-#cmakedefine ZXING_HAS_WRITERS
+#cmakedefine ZXING_READERS
+#cmakedefine ZXING_WRITERS
 
 // Version numbering
 #define ZXING_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
diff --git a/core/src/ZXingC.cpp b/core/src/ZXingC.cpp
index 53a9b36221..37dc6f02b2 100644
--- a/core/src/ZXingC.cpp
+++ b/core/src/ZXingC.cpp
@@ -65,7 +65,7 @@ static uint8_t* copy(const ByteArray& ba, int* len) noexcept
 	} \
 	ZX_CATCH({})
 
-#ifdef ZXING_HAS_READERS
+#ifdef ZXING_READERS
 static std::tuple<Barcodes, bool> ReadBarcodesAndSetLastError(const ZXing_ImageView* iv, const ZXing_ReaderOptions* opts,
 															  int maxSymbols)
 {
@@ -250,7 +250,7 @@ ZXing_Barcode* ZXing_Barcodes_move(ZXing_Barcodes* barcodes, int i)
 	ZX_TRY(new Barcode(std::move((*barcodes)[i])));
 }
 
-#ifdef ZXING_HAS_READERS
+#ifdef ZXING_READERS
 
 /*
  * ZXing/ReaderOptions.h
@@ -319,7 +319,7 @@ ZXing_Barcodes* ZXing_ReadBarcodes(const ZXing_ImageView* iv, const ZXing_Reader
 
 #endif
 
-#ifdef ZXING_HAS_WRITERS
+#ifdef ZXING_WRITERS
 #ifdef ZXING_EXPERIMENTAL_API
 /*
  * ZXing/WriteBarcode.h
diff --git a/core/src/ZXingC.h b/core/src/ZXingC.h
index fbc5021a4e..49d0305f4c 100644
--- a/core/src/ZXingC.h
+++ b/core/src/ZXingC.h
@@ -13,7 +13,7 @@
 #if __has_include("Version.h")
 #include "Version.h"
 #else
-#define ZXING_HAS_READERS
+#define ZXING_READERS
 #endif
 
 #ifdef __cplusplus
@@ -26,14 +26,14 @@ typedef ZXing::Barcodes ZXing_Barcodes;
 typedef ZXing::ImageView ZXing_ImageView;
 typedef ZXing::Image ZXing_Image;
 
-#ifdef ZXING_HAS_READERS
+#ifdef ZXING_READERS
 #include "ReaderOptions.h"
 
 typedef ZXing::ReaderOptions ZXing_ReaderOptions;
 #endif
 
 #ifdef ZXING_EXPERIMENTAL_API
-#ifdef ZXING_HAS_WRITERS
+#ifdef ZXING_WRITERS
 #include "WriteBarcode.h"
 typedef ZXing::CreatorOptions ZXing_CreatorOptions;
 typedef ZXing::WriterOptions ZXing_WriterOptions;
@@ -52,11 +52,11 @@ typedef struct ZXing_Barcodes ZXing_Barcodes;
 typedef struct ZXing_ImageView ZXing_ImageView;
 typedef struct ZXing_Image ZXing_Image;
 
-#ifdef ZXING_HAS_READERS
+#ifdef ZXING_READERS
 typedef struct ZXing_ReaderOptions ZXing_ReaderOptions;
 #endif
 
-#ifdef ZXING_HAS_WRITERS
+#ifdef ZXING_WRITERS
 typedef struct ZXing_CreatorOptions ZXing_CreatorOptions;
 typedef struct ZXing_WriterOptions ZXing_WriterOptions;
 #endif
@@ -201,7 +201,7 @@ const ZXing_Barcode* ZXing_Barcodes_at(const ZXing_Barcodes* barcodes, int i);
 ZXing_Barcode* ZXing_Barcodes_move(ZXing_Barcodes* barcodes, int i);
 
 
-#ifdef ZXING_HAS_READERS
+#ifdef ZXING_READERS
 
 /*
  * ZXing/ReaderOptions.h
@@ -268,9 +268,9 @@ int ZXing_ReaderOptions_getMaxNumberOfSymbols(const ZXing_ReaderOptions* opts);
 ZXing_Barcode* ZXing_ReadBarcode(const ZXing_ImageView* iv, const ZXing_ReaderOptions* opts);
 ZXing_Barcodes* ZXing_ReadBarcodes(const ZXing_ImageView* iv, const ZXing_ReaderOptions* opts);
 
-#endif /* ZXING_HAS_READERS */
+#endif /* ZXING_READERS */
 
-#ifdef ZXING_HAS_WRITERS
+#ifdef ZXING_WRITERS
 #ifdef ZXING_EXPERIMENTAL_API
 
 /*
@@ -319,7 +319,7 @@ ZXing_Barcode* ZXing_CreateBarcodeFromBytes(const void* data, int size, const ZX
 char* ZXing_WriteBarcodeToSVG(const ZXing_Barcode* barcode, const ZXing_WriterOptions* opts);
 ZXing_Image* ZXing_WriteBarcodeToImage(const ZXing_Barcode* barcode, const ZXing_WriterOptions* opts);
 
-#endif /* ZXING_HAS_WRITERS */
+#endif /* ZXING_WRITERS */
 #endif /* ZXING_EXPERIMENTAL_API */
 
 /* ZXing_LastErrorMsg() returns NULL in case there is no last error and a copy of the string otherwise. */
diff --git a/wrappers/c/ZXingCTest.c b/wrappers/c/ZXingCTest.c
index 1dd7080842..52f6d06a83 100644
--- a/wrappers/c/ZXingCTest.c
+++ b/wrappers/c/ZXingCTest.c
@@ -74,7 +74,7 @@ int main(int argc, char** argv)
 		CHECK(iv)
 	} else {
 		fprintf(stderr, "Could not read image '%s'\n", filename);
-#if defined(ZXING_EXPERIMENTAL_API) && defined(ZXING_HAS_WRITERS)
+#if defined(ZXING_EXPERIMENTAL_API) && defined(ZXING_WRITERS)
 		if (formats == ZXing_BarcodeFormat_Invalid)
 			return 2;
 		fprintf(stderr, "Using '%s' as text input to create barcode\n", filename);