diff --git a/Math.hooks.php b/Math.hooks.php
index b54684a29..895e785b7 100644
--- a/Math.hooks.php
+++ b/Math.hooks.php
@@ -202,7 +202,7 @@ class MathHooks {
 		}
 
 		if ( $renderer->render() ) {
-			LoggerFactory::getInstance( 'Math' )->info( "Rendering successful. Writing output" );
+			LoggerFactory::getInstance( 'Math' )->debug( "Rendering successful. Writing output" );
 			$renderedMath = $renderer->getHtmlOutput();
 		} else {
 			LoggerFactory::getInstance( 'Math' )->warning(
diff --git a/MathRenderer.php b/MathRenderer.php
index ddcbc1271..0b49f1200 100644
--- a/MathRenderer.php
+++ b/MathRenderer.php
@@ -165,7 +165,7 @@ abstract class MathRenderer {
 			default:
 				$renderer = new MathMathML( $tex, $params );
 		}
-		LoggerFactory::getInstance( 'Math' )->info( 'Start rendering $' . $renderer->tex .
+		LoggerFactory::getInstance( 'Math' )->debug( 'Start rendering $' . $renderer->tex .
 			'$ in mode ' . $mode );
 		return $renderer;
 	}
@@ -322,7 +322,7 @@ abstract class MathRenderer {
 		# Now save it back to the DB:
 		if ( !wfReadOnly() ) {
 			$dbw = $dbw ?: wfGetDB( DB_MASTER );
-			LoggerFactory::getInstance( 'Math' )->info( 'Store entry for $' . $this->tex .
+			LoggerFactory::getInstance( 'Math' )->debug( 'Store entry for $' . $this->tex .
 				'$ in database (hash:' . $this->getMd5() . ')' );
 			$outArray = $this->dbOutArray();
 			$method = __METHOD__;
diff --git a/MathRestbaseInterface.php b/MathRestbaseInterface.php
index e0d568067..3ee88db87 100644
--- a/MathRestbaseInterface.php
+++ b/MathRestbaseInterface.php
@@ -116,7 +116,7 @@ class MathRestbaseInterface {
 			return true;
 		} else {
 			$res = $response['body'];
-			$this->log()->debug( 'Tex check failed:', array(
+			$this->log()->info( 'Tex check failed:', array(
 				'post'     => $post,
 				'error'    => $response['error'],
 				'url'      => $request['url']
diff --git a/MathTexvc.php b/MathTexvc.php
index 3233858fb..514a512c1 100644
--- a/MathTexvc.php
+++ b/MathTexvc.php
@@ -46,7 +46,7 @@ class MathTexvc extends MathRenderer {
 		$out['math_html'] = $this->html;
 		$out['math_mathml'] = utf8_encode( $this->getMathml() );
 		$out['math_inputhash'] = $this->getInputHash();
-		LoggerFactory::getInstance( 'Math' )->info( 'Store Hashpath of image' .
+		LoggerFactory::getInstance( 'Math' )->debug( 'Store Hashpath of image' .
 			bin2hex( $outmd5_sql ) );
 		return $out;
 	}
@@ -68,7 +68,7 @@ class MathTexvc extends MathRenderer {
 			$xhash = unpack( 'H32md5',
 				$dbr->decodeBlob( $rpage->math_outputhash ) . "                " );
 			$this->hash = $xhash['md5'];
-			LoggerFactory::getInstance( 'Math' )->info( 'Hashpath of PNG-File:' .
+			LoggerFactory::getInstance( 'Math' )->debug( 'Hashpath of PNG-File:' .
 				bin2hex( $this->hash ) );
 			$this->conservativeness = $rpage->math_html_conservativeness;
 			$this->html = $rpage->math_html;