diff --git a/build-number.txt b/build-number.txt
index 4970e69..fc3dff1 100644
--- a/build-number.txt
+++ b/build-number.txt
@@ -1 +1 @@
-544
+545
diff --git a/src/main.c b/src/main.c
index 8b772a0..e8aae27 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,25 +2,18 @@
 
 int main(void)
 {
-    RCC->APB2ENR |= RCC_APB2ENR_IOPBEN | RCC_APB2ENR_IOPCEN;
+    RCC->APB2ENR |= RCC_APB2ENR_IOPCEN;
 
     GPIOC->CRH = (GPIOC->CRH
         & ~(0x0f << (4 * PIN_SUPPLY - 32)))
         | (0x01 << (4 * PIN_SUPPLY - 32))      // Output, max. 10 MHz
         ;
 
-    GPIOB->CRL = (GPIOB->CRL
-        & ~(0x0f << (4 * PIN_SD_CARD_DETECT)))
-        | (0x08 << (4 * PIN_SD_CARD_DETECT))   // Input with pull-up/-down
-        ;
-    // Use pull-up
-    GPIOB->BSRR = (1 << PIN_SD_CARD_DETECT);
-    
     GPIOC->BSRR = (1 << PIN_SUPPLY);
 
     Camera_Init();
     LTP1245_Init();
-    
+
     LTP1245_FeedPaper(100);
     LTP1245_FeedPaper(10);