diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/AsmUtil.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/AsmUtil.java
index dc275c889fd..4442b1d53ed 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/AsmUtil.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/AsmUtil.java
@@ -635,7 +635,6 @@ public class AsmUtil {
     }
 
     public static void genClosureFields(List<Pair<String, Type>> allFields, ClassBuilder builder) {
-        //noinspection PointlessBitwiseExpression
         int access = NO_FLAG_PACKAGE_PRIVATE | ACC_SYNTHETIC | ACC_FINAL;
         for (Pair<String, Type> field : allFields) {
             builder.newField(JvmDeclarationOrigin.NO_ORIGIN, access, field.first, field.second.getDescriptor(), null, null);
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassBuilderFactories.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassBuilderFactories.java
index 2e01cd9117d..bc55cb99376 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassBuilderFactories.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/ClassBuilderFactories.java
@@ -24,7 +24,6 @@ import org.jetbrains.org.objectweb.asm.util.TraceClassVisitor;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 
-@SuppressWarnings("IOResourceOpenedButNotSafelyClosed")
 public class ClassBuilderFactories {
     @NotNull
     public static ClassBuilderFactory THROW_EXCEPTION = new ClassBuilderFactory() {
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
index 3d2d217a2e0..57cba206730 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.java
@@ -711,13 +711,11 @@ public class ExpressionCodegen extends KtVisitor<StackValue, StackValue> impleme
 
         if (stackElement instanceof FinallyBlockStackElement) {
             FinallyBlockStackElement finallyBlockStackElement = (FinallyBlockStackElement) stackElement;
-            //noinspection ConstantConditions
             genFinallyBlockOrGoto(finallyBlockStackElement, null, afterBreakContinueLabel);
         }
         else if (stackElement instanceof LoopBlockStackElement) {
             LoopBlockStackElement loopBlockStackElement = (LoopBlockStackElement) stackElement;
             KtSimpleNameExpression labelElement = expression.getTargetLabel();
-            //noinspection ConstantConditions
             if (labelElement == null ||
                 loopBlockStackElement.targetLabel != null &&
                 labelElement.getReferencedName().equals(loopBlockStackElement.targetLabel.getReferencedName())) {
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/binding/CodegenAnnotatingVisitor.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/binding/CodegenAnnotatingVisitor.java
index 8bf2a7ac94f..f486bffcc47 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/binding/CodegenAnnotatingVisitor.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/binding/CodegenAnnotatingVisitor.java
@@ -144,7 +144,6 @@ class CodegenAnnotatingVisitor extends KtVisitorVoid {
     }
 
     @NotNull
-    @SuppressWarnings("ConstantConditions")
     private DeclarationDescriptor correctContainerForLambda(@NotNull CallableDescriptor descriptor) {
         DeclarationDescriptor container = descriptor.getContainingDeclaration();
 
diff --git a/compiler/backend/src/org/jetbrains/kotlin/codegen/state/KotlinTypeMapper.java b/compiler/backend/src/org/jetbrains/kotlin/codegen/state/KotlinTypeMapper.java
index bc817d02801..c664baa2390 100644
--- a/compiler/backend/src/org/jetbrains/kotlin/codegen/state/KotlinTypeMapper.java
+++ b/compiler/backend/src/org/jetbrains/kotlin/codegen/state/KotlinTypeMapper.java
@@ -446,7 +446,6 @@ public class KotlinTypeMapper {
             return Type.VOID_TYPE;
         }
         else if (descriptor instanceof FunctionDescriptor && forceBoxedReturnType((FunctionDescriptor) descriptor)) {
-            //noinspection ConstantConditions
             return mapType(descriptor.getReturnType(), sw, TypeMappingMode.RETURN_TYPE_BOXED);
         }