diff --git a/c/qrcodegen-demo.c b/c/qrcodegen-demo.c
index 1a0eb96..4bcd19d 100644
--- a/c/qrcodegen-demo.c
+++ b/c/qrcodegen-demo.c
@@ -141,7 +141,7 @@ static void printQr(const uint8_t qrcode[], int version) {
 	int border = 4;
 	for (int y = -border; y < size + border; y++) {
 		for (int x = -border; x < size + border; x++) {
-			fputs((qrcodegen_getModule(qrcode, version, x, y) ? "##" : "  "), stdout);
+			fputs((qrcodegen_getModule(qrcode, x, y) ? "##" : "  "), stdout);
 		}
 		fputs("\n", stdout);
 	}
diff --git a/c/qrcodegen-worker.c b/c/qrcodegen-worker.c
index 299dd10..bed457d 100644
--- a/c/qrcodegen-worker.c
+++ b/c/qrcodegen-worker.c
@@ -101,7 +101,7 @@ int main(void) {
 			int size = qrcodegen_getSize(version);
 			for (int y = 0; y < size; y++) {
 				for (int x = 0; x < size; x++)
-					printf("%d\n", qrcodegen_getModule(qrcode, version, x, y) ? 1 : 0);
+					printf("%d\n", qrcodegen_getModule(qrcode, x, y) ? 1 : 0);
 			}
 		}
 		free(qrcode);
diff --git a/c/qrcodegen.c b/c/qrcodegen.c
index a356bd1..3ebdcf7 100644
--- a/c/qrcodegen.c
+++ b/c/qrcodegen.c
@@ -775,8 +775,8 @@ int qrcodegen_getSize(int version) {
 
 
 // Public function - see documentation comment in header file.
-bool qrcodegen_getModule(const uint8_t qrcode[], int version, int x, int y) {
-	int qrsize = qrcodegen_getSize(version);
+bool qrcodegen_getModule(const uint8_t qrcode[], int x, int y) {
+	int qrsize = qrcode[0];
 	return (0 <= x && x < qrsize && 0 <= y && y < qrsize) && getModule(qrcode, x, y);
 }
 
diff --git a/c/qrcodegen.h b/c/qrcodegen.h
index c56c292..9f98a4b 100644
--- a/c/qrcodegen.h
+++ b/c/qrcodegen.h
@@ -115,4 +115,4 @@ int qrcodegen_getSize(int version);
  * true for white or false for black. The top left corner has the coordinates (x=0, y=0).
  * If the given coordinates are out of bounds, then false (white) is returned.
  */
-bool qrcodegen_getModule(const uint8_t qrcode[], int version, int x, int y);
+bool qrcodegen_getModule(const uint8_t qrcode[], int x, int y);