diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/bytecodes/JumpBytecodes.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/bytecodes/JumpBytecodes.java
index 04d39e32d..508751978 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/bytecodes/JumpBytecodes.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/bytecodes/JumpBytecodes.java
@@ -24,6 +24,7 @@ public abstract static class ConditionalJumpNode extends AbstractBytecodeNode {
 
         @Child private FrameStackPopNode popNode = FrameStackPopNode.create();
 
+        @SuppressWarnings("this-escape")
         protected ConditionalJumpNode(final CompiledCodeObject code, final int index, final int numBytecodes, final int offset) {
             super(code, index, numBytecodes);
             jumpSuccessorIndex = getSuccessorIndex() + offset;
diff --git a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/BitBlt.java b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/BitBlt.java
index 0d9f3a61b..f92db349c 100644
--- a/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/BitBlt.java
+++ b/src/de.hpi.swa.trufflesqueak/src/de/hpi/swa/trufflesqueak/nodes/plugins/BitBlt.java
@@ -3599,9 +3599,9 @@ private void warpLoopSetup() {
         warpAlignMask = shl(1, warpAlignShift) - 1;
         for (int i = 0; i <= warpAlignMask; i++) {
             if (sourceMSB) {
-                warpBitShiftTable[i] = (int) (32 - shl(i + 1, warpSrcShift));
+                warpBitShiftTable[i] = 32 - shl(i + 1, warpSrcShift);
             } else {
-                warpBitShiftTable[i] = (int) shl(i, warpSrcShift);
+                warpBitShiftTable[i] = shl(i, warpSrcShift);
             }
         }
     }