--- a/runtime-decompiler/src/main/java/org/jrd/backend/core/DecompilerRequestReceiver.java
+++ a/runtime-decompiler/src/main/java/org/jrd/backend/core/XDecompilerRequestReceiver.java
@@ -262,10 +262,6 @@
     private static class ClassesComparator implements Comparator<ClassInfo>, Serializable {
 
         @SuppressWarnings({"ReturnCount", "CyclomaticComplexity"}) // comparator syntax
-        @SuppressFBWarnings(
-                value = "NP_NULL_ON_SOME_PATH_MIGHT_BE_INFEASIBLE",
-                justification = "False report of possible NP dereference, despite testing both o1 & o2 for nullness."
-        )
         @Override
         public int compare(ClassInfo c1, ClassInfo c2) {
             if (c1 == null && c2 == null) {
--- a/runtime-decompiler/src/main/java/org/jrd/backend/data/VmInfo.java
+++ a/runtime-decompiler/src/main/java/org/jrd/backend/data/XVmInfo.java
@@ -112,10 +112,6 @@
         this.type = local;
     }
 
-    @SuppressFBWarnings(
-            value = "NP_LOAD_OF_KNOWN_NULL_VALUE",
-            justification = "Classpath is only used for FS VMs, in other cases getCp() does not get called"
-    )
     public void setCp(List<File> cp) {
         if (cp == null) {
             this.cp = null;
--- a/runtime-decompiler/src/test/java/org/jrd/frontend/frame/plugins/FileSelectorArrayRowTest.java
+++ a/runtime-decompiler/src/test/java/org/jrd/frontend/frame/plugins/XFileSelectorArrayRowTest.java
@@ -11,9 +11,6 @@
 import java.io.File;
 import java.nio.file.Paths;
 
-@SuppressFBWarnings(
-        value = "DMI_HARDCODED_ABSOLUTE_FILENAME", justification = "Hardcoded paths aren't used for manipulating with an actual filesystem."
-)
 class FileSelectorArrayRowTest {
     @BeforeAll
     static void setup() {
--- a/runtime-decompiler/src/main/java/org/jrd/backend/data/cli/utils/CompileArguments.java
+++ a/runtime-decompiler/src/main/java/org/jrd/backend/data/cli/utils/CompileArguments.java
@@ -77,10 +77,6 @@
         return new RuntimeCompilerConnector.JrdClassesProvider(localVmInfo, vmManager);
     }
 
-    @SuppressFBWarnings(
-            value = "NP_LOAD_OF_KNOWN_NULL_VALUE",
-            justification = "Classpath is only used for FS VMs, in other cases getCp() does not get called"
-    )
     /**
      * Warning, possibly unused, rotten code.
      */
--- a/runtime-decompiler/src/main/java/org/jrd/frontend/frame/main/decompilerview/TextWithControls.java
+++ a/runtime-decompiler/src/main/java/org/jrd/frontend/frame/main/decompilerview/TextWithControls.java
@@ -103,10 +103,6 @@
     //currently standalone dialog supports only additions
     //and additions do not support classlaoder selection (obviously)
     //the classlaoder now remain thus unused
-    @SuppressFBWarnings(
-            value = "SS_SHOULD_BE_STATIC",
-            justification = "is really per instance, however will ahve sense, only if standalone dialog will support overwrite, which is unlikely"
-    )
     private final boolean overvriteEnabled = false;
     //field to hots the target classlaoder if it willbe ever supported
     //it is now null, what is waht the only ussage in compiler.compile(toCompile, pluginManager, classloader); needs