diff --git a/src/main/kotlin/build/buf/gradle/BuildConfiguration.kt b/src/main/kotlin/build/buf/gradle/BuildConfiguration.kt
index 91f0820c..c27c6904 100644
--- a/src/main/kotlin/build/buf/gradle/BuildConfiguration.kt
+++ b/src/main/kotlin/build/buf/gradle/BuildConfiguration.kt
@@ -35,7 +35,13 @@ internal fun Project.configureBuild() {
             dependsOn(COPY_BUF_CONFIG_TASK_NAME)
         }
 
-        inputFiles.setFrom(fileTree(workingDir.get()) { include("**/*.proto") })
+        inputFiles.setFrom(
+            fileTree(workingDir.get()) {
+                include("**/*.proto")
+                // not to interfere with random plugins producing output to build dir
+                exclude("build")
+            },
+        )
         publicationFile.set(project.bufBuildPublicationFile)
     }
 }
diff --git a/src/main/kotlin/build/buf/gradle/FormatConfiguration.kt b/src/main/kotlin/build/buf/gradle/FormatConfiguration.kt
index d3712d36..cc3bcb17 100644
--- a/src/main/kotlin/build/buf/gradle/FormatConfiguration.kt
+++ b/src/main/kotlin/build/buf/gradle/FormatConfiguration.kt
@@ -32,7 +32,13 @@ private fun Project.configureBufFormatCheck() {
         description = "Checks that a Protobuf schema is formatted according to Buf's formatting rules."
         enabled = getExtension().enforceFormat
 
-        inputFiles.setFrom(fileTree(workingDir.get()) { include("**/*.proto") })
+        inputFiles.setFrom(
+            fileTree(workingDir.get()) {
+                include("**/*.proto")
+                // not to interfere with random plugins producing output to build dir
+                exclude("build")
+            },
+        )
     }
 
     tasks.named(CHECK_TASK_NAME).dependsOn(BUF_FORMAT_CHECK_TASK_NAME)
@@ -43,7 +49,19 @@ private fun Project.configureBufFormatApply() {
         group = VERIFICATION_GROUP
         description = "Formats a Protobuf schema according to Buf's formatting rules."
 
-        inputFiles.setFrom(fileTree(workingDir.get()) { include("**/*.proto") })
-        outputFiles.setFrom(fileTree(workingDir.get()) { include("**/*.proto") })
+        inputFiles.setFrom(
+            fileTree(workingDir.get()) {
+                include("**/*.proto")
+                // not to interfere with random plugins producing output to build dir
+                exclude("build")
+            },
+        )
+        outputFiles.setFrom(
+            fileTree(workingDir.get()) {
+                include("**/*.proto")
+                // not to interfere with random plugins producing output to build dir
+                exclude("build")
+            },
+        )
     }
 }
diff --git a/src/main/kotlin/build/buf/gradle/GenerateConfiguration.kt b/src/main/kotlin/build/buf/gradle/GenerateConfiguration.kt
index fb885f6d..7c34a809 100644
--- a/src/main/kotlin/build/buf/gradle/GenerateConfiguration.kt
+++ b/src/main/kotlin/build/buf/gradle/GenerateConfiguration.kt
@@ -30,7 +30,13 @@ internal fun Project.configureGenerate() {
         val generateOptions = project.getExtension().generateOptions
         includeImports.set(generateOptions?.includeImports ?: false)
         templateFile.set(generateOptions?.let { resolveTemplateFile(it) })
-        inputFiles.setFrom(fileTree(workingDir.get()) { include("**/*.proto") })
+        inputFiles.setFrom(
+            fileTree(workingDir.get()) {
+                include("**/*.proto")
+                // not to interfere with random plugins producing output to build dir
+                exclude("build")
+            },
+        )
         outputDirectory.set(File(project.bufbuildDir, GENERATED_DIR))
     }
 }
diff --git a/src/main/kotlin/build/buf/gradle/LintConfiguration.kt b/src/main/kotlin/build/buf/gradle/LintConfiguration.kt
index e18411a6..4ceeba9b 100644
--- a/src/main/kotlin/build/buf/gradle/LintConfiguration.kt
+++ b/src/main/kotlin/build/buf/gradle/LintConfiguration.kt
@@ -26,7 +26,13 @@ internal fun Project.configureLint() {
         description = "Checks that a Protobuf schema conforms to the Buf lint configuration."
 
         bufConfigFile.set(project.bufConfigFile())
-        inputFiles.setFrom(fileTree(workingDir.get()) { include("**/*.proto") })
+        inputFiles.setFrom(
+            fileTree(workingDir.get()) {
+                include("**/*.proto")
+                // not to interfere with random plugins producing output to build dir
+                exclude("build")
+            },
+        )
     }
 
     tasks.named(CHECK_TASK_NAME).dependsOn(BUF_LINT_TASK_NAME)